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jargon buster
Choosing a duvet or pillow can seem confusing because manufacturers use a lot of jargon to explain the differences between their products. This jargon buster is here to help you find your way through!

Just click on the letter that starts the word you are looking for or scroll down this alphabetical list!

A | B | C | D | E | F | G | H | I | J | K | L | M
N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Allergen

A substance that causes an allergy such as house dust, dustmite droppings or down and feathers.
Allergy Sometimes the body reacts adversely to certain substances such as house dust, dustmite droppings or down and feathers. A person having an allergic reaction may suffer from wheezing, a runny nose, watering eyes, sneezing or in severe cases an asthma attack.
Anti-allergy

Bedding products that help to prevent allergies are termed anti-allergy. They may provide a barrier to allergens for example an anti-allergy mattress or pillow protector. I Love My has a range of anti-allergy bedding filled with AmicorTM fibres that eradicate dust mites, as well as preventing the growth of destructive bacteria, mould, mildew and fungi. Thus providing a healthy sleeping environment for allergy sufferers. This range is endorsed by Allergy UK with their British Allergy Foundation Seal of Approval.

As an alternative you may choose non-allergenic products and frequent laundering; I recommend the spundown duvet, pillow and mattress protector that may be washed at 60oC and anti-allergy covers for bed, duvet and pillow. Click here for details of mattress protectors & covers.

Back support pillow A V-shaped pillow design to provide extra support when sitting up in bed - photo.
Ball Fibre Down-like clusters of polyester fibre used in best quality pillows. The clusters move freely in a pillow and make them easy to plump to shape. They also allow a pillow to be washed time after time. (Also used in our synthetic mattress enchancer.)
Batiste Named after Jean Baptiste, a French linen weaver. Light weight, soft, fabric. It is made of tightly twisted, combed yarns and mercerized (glossy) finish. Softer to handle than Cambric. Used for the highest quality duvet covers to create lightweight duvets which are very soft.
Batt Standard pillows contain a roll of polyester fleece as their filling called a batt. These may become damaged and flattened over time and misshapen when washed. I recommend ball fibre pillows rather than batts!
Bound edge The edging of a duvet finished using biased binding – photo - this creates a much neater edge than on standard duvets which have overlocked stitching which is prone to unravelling and may come undone over time. All synthetic duvets in the I Love My Duvet range have bound edges.
Cambric A fine, plain-weave cotton fabric, often glazed on one side, and used as a down-proof casing.
Canadian Goosedown The soft clusters found on the breast of a Canadian goose. Down is very good at trapping air and so keeps you warm. Down has no quill and so is very soft. Canadian goosedown clusters are generally larger and trap more air than down from regular geese. This makes the duvets lighter, warmer and more luxurious.
Cassette construction Rectangular pockets to keep the filling in a natural duvet evenly spread when in use – no more cold spots and filling trapped in the end of the duvet! photo A similar construction used in some mattress enhancers.
Chambray A soft, comfortable fabric woven of coloured and white yarns first developed in Chambray, and today often used in men's cotton shirts. In bed linen a chambray border can add a certain style to plain white linens.
Combination duvet Sometimes called a Four Season's duvet, this term was coined to describe two duvets of different togs (usually 4.5 Tog and 9.0 Tog) that can be used independently or buttoned/poppered together depending on the season. In the coolest months both duvets are used, in spring and autumn the higher tog and in summer the lower tog duvet; thus providing comfort whatever the temperature!
Comforter The American name for a duvet.
Double The size of bedding to fit a standard UK 4ft 6” bed.
Down The soft clusters found on the breast of a duck or goose. Down is very good at trapping air and so keeps you warm. Down has no quill and so is very soft. The lightest and most luxurious duvets contain a high percentage of down. If a manufacturer follows the European Standard for natural duvets then a down duvet will contain a minimum of 60% down, the remainder of the filling being fine (nestling) feathers.
Dustmite A tiny spider-like creature that lives on house dust. Found in even the cleanest of homes, they tend to live in the mattress. Their droppings may cause allergies. I recommend the use of a mattress protector to keep them away from you bedding. Washing at 60oC kills dustmites and their eggs. The spundown range (duvet, pillow, mattress and pillow protector) is specifically designed to wash well at this temperature.
Egyptian cotton A fine, lustrous, long fibre cotton grown in Egypt. Generally more expensive than the commonly available cottons. 100% Egyptian cotton bed linens with a thread count of more than 180 should feel more lustrous and softer than standard cotton. When used in towels it makes them more absorbent and softer.
EN12934:1999 European standard for natural duvets. Reputable manufacturers follow this code. They will state clearly the percentage of down and feather contained in a natural duvet. Look out for this on product packaging and sash labels as a sign of a good manufacturer. Less reputable manufacturers may use more feathers (as they are cheaper).
Fabric The material surrounding the filling of a duvet, pillow or mattress protector.
Feather The covering of a duck or goose with a quill and fine strands. Feathers keep a bird warm without weighing them down and so make excellent light fillings for duvets. Bigger feathers provide structure and support for pillows and mattress enhancers, and extra weight for duvets.
Filling The contents of a duvet, pillow or mattress protector – may be naturally occurring, such as down and feather or synthetic (man-made) such as polyester.
Four Seasons Duvet Sometimes called a combination duvet, this term was coined to describe two duvets of different togs (usually 4.5 Tog and 9.0 Tog) that can be used independently or buttoned/poppered together depending on the season. In the coolest months both duvets are used, in spring and autumn the higher tog and in summer the lower tog duvet; thus providing comfort whatever the temperature!
Hollowfibre Thread or filament in textiles with a hole running up the middle. This traps air more effectively than a solid fibre and so makes a duvet warmer. Similarly the hollow fibre shape is harder to bend and so provides structure and loft.
Hungarian Goosedown The soft clusters found on the breast of a Hungarian goose. Down is very good at trapping air and so keeps you warm. Down has no quill and so is very soft. Hungarian goosedown clusters are generally larger and trap more air than down from standard geese. This makes the duvets lighter, warmer and more luxurious.
 Hypoallergenic A fabric or filling that is highly unlikely to cause an allergic reaction.
Jacquard Any fabric that has a pattern woven into the fabric rather than printed on it. The name comes from Joseph Marie Jacquard who designed a loom attachment capable of weaving patterns into fabric.
Kingsize In the UK this is bedding designed for a 5ft wide bed. (Not to be confused with the American Kingsize for 6ft beds!)
Loft The height of a duvet or pillow filling. Better loft means more air is trapped and a warmer duvet or more support from a pillow.
Lyocell A natural fibre derived from wood pulp. Very soft and breathable for added comfort in bed. Related to Viscose and Modal. Used in fabrics and fillings mixed with cotton or polyester to provide softness or temperature and moisture regulation. Tencel is a brand name of Lyocell owned by Lenzing.
Lyosilk A fabric made with a blend of silk and lyocell. Lyosilk is extremely soft and lightweight.
Lysoft An advanced fibre blend made from natural raw materials and polyester. Lysoft has a remarkable ability to absorb and disperse moisture, allowing your body to breathe naturally and leaving you feeling fresh, cosy and comfortable all night long. Lysoft is a trade mark of the Fine Bedding Company.
Lysoft cotton percale Lysoft can be woven with cotton to create very soft and breathable fabrics such as lysoft cotton percale. Lysoft is a trade mark of the Fine Bedding Company.
Mattress enhancer A topper for the mattress that can be up to 2 inches thick to provide extra comfort. An enhancer may help to extend the life of an older mattress or provide extra softness to a firmer mattress.
Mattress protector A covering for the mattress to provide protection against everyday spills or a barrier to allergens.
Memory foam Memory foam is made from polyurethane with additives that add to its viscosity level, thereby increasing its density. It is often referred to as visco-elastic polyurethane foam. Famously, memory foam was originally developed by NASA to ease the pressure of extreme G-force during space shuttle take off; although it was never used in a mission. Today it is used widely for mattresses, pillows and mattress toppers. It provides excellent support and can reduce pressure points, thereby improving your night's sleep.
Microfibre Very fine fibres, strictly speaking of less than 1 micron diameter. Microfibre fillings are very warm, soft and light. Microfibre polyester is used in high performance ski-wear to provide warmth without weight. Duvets filled with polyester microfibre can be very light and yet very warm, and feel like down duvets, but are naturally non-allergenic. The spundown and perfectbalance ranges of duvets contain microfibre.
Modal A natural fibre derived from wood pulp. Very soft and breathable for added comfort in bed. Related to Viscose and Modal. Used in fabrics and fillings mixed with cotton or polyester to provide softness or temperature and moisture regulation.
Momme weight Momme weight is a way of measuring things developed by the Japanese. Momme weight is a standard way of measuring the weight of silk as well as a common way to measure pearls. Momme is pronounced much like the word "mummy."
For silk sheets a momme weight of 12-19 is considered good quality with silk sheets in the range of 16-19 being very high quality. Anything lower than 12 will result in sheets that are not as durable as they should be, which means they will be more prone with damage and tearing. (Many department stores sell silk sheets of lower momme weight.)
The higher the momme weight the heavier the fabric which means a greater amount of silk was used in the weaving process.
Mulberry Silk Silk from silk worms who are fed on a diet of 100% mulberry leaves. The resulting mulberry silk thread is the strongest natural fiber in the world, making it incredibly durable.
Natural Used to describe the filling or fabric for a duvet, pillow or mattress protector that has been made of substances that are found in nature and not man-made. Includes down and feather and cellulosic fibres such as modal and lyocell that come from wood pulp. 100% cotton is a natural fabric.
Neck support pillow A small pillow that fits around the neck to provide extra support in bed or when travelling.
Non-allergenic Substances that do not normally create an allergic reaction such as polyester.
Overlocked edge In standard duvets & pillows the fabric may be stitched together on the outside using an overstitch. These may become ragged and unravelled over time. Higher quality products, such as those in the I Love My range are finished with bias binding or piping.
Percale A closely woven, plain weave, spun fabric. The high thread count gives the fabric a soft, silk-like feel. Used for sheets, bedspreads and the higher quality duvet covers. For the technically-minded it has thread count of 180 and above. (Higher thread counts indicate higher quality fabrics.)
Piped edge The high-quality finish on a natural duvet or pillow. Fabric is stitched around a cord as shown in the photo.
Polish Goosedown The soft clusters found on the breast of a Polish goose. Down is very good at trapping air and so keeps you warm. Down has no quill and so is very soft. Polish goosedown clusters are generally larger and trap more air than down from standard geese. This makes the duvets lighter, warmer and more luxurious.
Polyester The man-made fibre derived from oil based products used to fill most synthetic duvets and pillows. Polyester is non-allergenic, provides good warmth and is very affordable, but is less breathable than naturally occurring fillings such as down and feather.
Queen size The American term for bedding to fit a 5ft wide bed, usually called King Size in the UK!
Sateen Usually 'cotton sateen' this term describes a type of weave that produces a smooth and lustrous surface, reminiscent of satin. Soft and lovely to handle.
Siberian Goosedown The soft clusters found on the breast of a Siberian goose. Down is very good at trapping air and so keeps you warm. Down has no quill and so is very soft. Siberian goosedown clusters are generally larger and trap more air than down from standard geese. This makes the duvets lighter, warmer and more luxurious.
Siliconised A term used to describe a slippery coating used on high quality polyester that makes the fibres slide past one another easily. The filling feels softer to the touch and can be washed at higher temperatures than standard oiled polyester fibres. Siliconised polyester is also more durable and will keep its Tog for longer.
Silk Natural filling for duvets & pillows. Made by pulling silk floss from the cocoon and layering. Very breathable and naturally hypoallergenic. Filling actually resistant to dust mites and is a healthy choice for those who suffer from allergies.
Spiral hollowfibre Polyester fibres can have a spiral shaped to provide additional loft and trap more air. They provide warmth and help to keep the duvet plump and cuddly!
Superking Bedding to fit a 6ft wide bed (called Kingsize in the US, just for confusion!).
Swirl stitching A pattern of stitching with parallel swirls of continuous stitching. Swirls are better than straight lines as they help to provide structure and height (loft) to the duvet and make it look plumper when on the bed. See photo
Synthetic Used to describe the filling or fabric for a duvet, pillow or mattress protector that has been man-made. Includes polyester, acrylic and polyurethane. 100% cotton is a natural fabric.
Tencel Tencel is a brand name of Lyocell owned by Lenzing. Lyocell is a natural fibre derived from wood pulp. Very soft and breathable for added comfort in bed. Related to Viscose and Modal. Used in fabrics and fillings mixed with cotton or polyester to provide softness or temperature and moisture regulation.
Thread count The number of threads of yarn in 1 square inch of fabric - add up the number of threads in the horizontal and vertical directions. Generally speaking the higher the thread count the softer a fabric is to the touch. Good quality bed linens have a thread count of 180 or more.
Tog The thermal performance of a duvet. A high tog indicates a warmer duvet, a low tog a cooler duvet. The Tog should not be confused with weight, as a down duvet can be very light but also very warm!
ZZZzzzzz Sweet dreams with i love my duvet! ZZZZZzzzzz!!!
 

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