| ALEXIPHARMAKONS | • ALEXIPHARMAKON n. an antidote to poison. |
| ARCHAEOPTERYXES | • archaeopteryxes n. Plural of archaeopteryx. • ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits. |
| CANTHAXANTHINES | • CANTHAXANTHINE n. a naturally occurring carotenoid used esp. as a color additive for food, also CANTHAXANTHIN. |
| CEPHALOTHORAXES | • cephalothoraxes n. Plural of cephalothorax. • CEPHALOTHORAX n. the body, or head with thorax, of spiders, crustaceans, etc. |
| DEXAMPHETAMINES | • DEXAMPHETAMINE n. the dextrorotatory isomer of amphetamine, used as a stimulant. |
| EXCHANGEABILITY | • exchangeability n. The condition of being exchangeable. • EXCHANGEABILITY n. the state of being exchangeable. |
| HEXACHLORETHANE | • hexachlorethane n. Alternative form of hexachloroethane. • HEXACHLORETHANE n. a toxic crystalline compound used in smoke bombs. |
| HEXACHLOROPHANE | • HEXACHLOROPHANE n. a bactericide used in antiseptic soaps, deodorants etc., also HEXACHLOROPHENE. |
| HEXOSAMINIDASES | • hexosaminidases n. Plural of hexosaminidase. • HEXOSAMINIDASE n. either of two hydrolytic enzymes that catalyze the splitting off of a hexose from a ganglioside and are deficient in some metabolic diseases. |
| HYDROXYAPATITES | • hydroxyapatites n. Plural of hydroxyapatite. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone. |
| HYDROXYLAPATITE | • hydroxylapatite n. Alternative spelling of hydroxyapatite. • HYDROXYLAPATITE n. a mineral of the apatite group that is rare in the ground but is the principal inorganic constituent of tooth enamel and bone. |
| LEXICOGRAPHICAL | • lexicographical adj. Relating to lexicography. • lexicographical adj. Meeting lexicographical standards or requirements; worthy of being included in a dictionary. • LEXICOGRAPHICAL adj. relating to lexicography, also LEXICOGRAPHIC. |
| XEROGRAPHICALLY | • xerographically adv. In a xerographic way; by xerography. • XEROGRAPHIC adv. relating to xerography. |
| XERORADIOGRAPHY | • xeroradiography n. A method of X-ray photography which uses an electrically charged metal plate instead of film. • XERORADIOGRAPHY n. radiography used esp. in mammographic screening for breast cancer that produces an image using X-rays in a manner similar to the way an image is produced by light in xerography. |