Bisque porcelain is unglazed, white ceramic ware Examples include bisque doll

Bisque doll

A bisque doll or porcelain doll is a doll made partially or wholly out of bisque porcelain. Bisque dolls are characterized by their realistic, skin-like matte finish. They had their peak of popularity between 1860 and 1900 with French and German dolls. Bisque dolls are collectible, and antique...

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Bisque (often called "biscuit" ) also refers to "pottery

Pottery

Pottery is the material from which the potteryware is made, of which major types include earthenware, stoneware and porcelain. The place where such wares are made is also called a pottery . Pottery also refers to the art or craft of the potter or the manufacture of pottery...

 that has been fired but not yet glazed

Ceramic glaze

Glaze is a layer or coating of a vitreous substance which has been fired to fuse to a ceramic object to color, decorate, strengthen or waterproof it.-Use:...

. Biscuit earthenware

Earthenware

Earthenware is a common ceramic material, which is used extensively for pottery tableware and decorative objects.-Types of earthenware:Although body formulations vary between countries and even between individual makers, a generic composition is 25% ball clay, 28% kaolin, 32% quartz, and 15%...

 is porous and readily absorbs water; vitreous ware and bone china

Bone china

Bone china is a type of soft-paste porcelain that is composed of bone ash, feldspathic material and kaolin. It has been defined as ware with a translucent body containing a minimum of 30% of phosphate derived from animal bone and calculated calcium phosphate...

are almost non-porous even in the biscuit state." The temperature of bisque firing is usually at least 1000°C, although higher temperature are common. The firing of the ware that results in the bisque article causes permanent chemical and physical changes to occur. These result in a much harder and more resilient article which can still be porous, and this can ease the application of glazes.