| acrylic |
a synthetic fiber, resin, or paint made from acrylic acid or its derivatives. [1/2 definitions] |
| acrylic fiber |
any of a group of synthetic fibers that are made chiefly of acrylonitrile that has been formed into polymers. |
| acrylic resin |
any of a group of transparent synthetic resins that become pliable or set when heated and are used in acrylic fibers, plastics, and synthetic rubbers. |
| actinide series |
the series of chemical elements, mostly synthetic and all radioactive, that have from eighty-nine to 103 protons per atom. |
| alpaca |
a fabric that closely resembles alpaca, but is made with synthetic or cotton fibers. [1/4 definitions] |
| alumina |
natural or synthetic aluminum oxide, occurring in nature as a corundum. |
| aluminum oxide |
a natural or synthetic oxide of aluminum; alumina; corundum. |
| americium |
a synthetic radioactive chemical element that has ninety-five protons in each nucleus. (symbol: Am) |
| ampicillin |
a synthetic antibiotic related to penicillin, taken orally to fight a variety of bacterial infections. |
| anabolic steroid |
a synthetic hormone sometimes used by athletes to increase muscle size or strength, but widely prohibited by athletic leagues, associations, and the like. |
| aniline dye |
any of a large number of synthetic dyes, made mainly from coal-tar products. |
| Bakelite |
trademark for any of various synthetic resins and plastics molded by heat, usu. made with phenol, cresol, and formaldehyde. |
| banana oil |
a clear synthetic liquid with a bananalike odor, used as a flavoring or paint solvent, and in the making of lacquers; amyl acetate. |
| batt |
natural or synthetic pieces of material used as filler for quilts and the like; batting. |
| berkelium |
a radioactive synthetic metal element of the actinide series that has ninety-seven protons in each nucleus. (symbol: Bk) |
| boule2 |
a cylindrical or pear-shaped ball of alumina, fused and tinted to produce a synthetic gem. [1/3 definitions] |
| butadiene |
a flammable gas used in producing paint and synthetic rubber. |
| butane |
a flammable gas used for fuel and for producing synthetic rubber. |
| californium |
a synthetic radioactive chemical element having ninety-eight protons in each nucleus. (symbol: Cf) |
| crepe rubber |
soft or synthetic rubber of a crinkled texture, esp. used for shoe soles. |
| curium |
a synthetic radioactive chemical element that has ninety-six protons in each nucleus. (symbol: Cm) |