| CANTHAXANTHINES | • CANTHAXANTHINE n. a naturally occurring carotenoid used esp. as a color additive for food, also CANTHAXANTHIN. | 
| CANTHAXANTHINS | • canthaxanthins n. Plural of canthaxanthin. • CANTHAXANTHIN n. a naturally occurring carotenoid used esp. as a color additive for food, also CANTHAXANTHINE.
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| CHLORHEXIDINES | • CHLORHEXIDINE n. an antiseptic compound used in skin cleansers, mouthwashes, etc. | 
| HEXACHLORIDES | • hexachlorides n. Plural of hexachloride. • HEXACHLORIDE n. a chloride containing six atoms of chlorine.
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| HEXARCHIES | • hexarchies n. Plural of hexarchy. • HEXARCHY n. a group of six separate states.
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| HEXASTICH | • hexastich n. A poem consisting of six verses or lines. • HEXASTICH n. a poem or stanza of six lines, also HEXASTICHON.
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| HEXASTICHAL | • HEXASTICHAL adj. having six lines or rows, also HEXASTICHIC. | 
| HEXASTICHIC | • HEXASTICHIC adj. having six lines or rows, also HEXASTICHAL. | 
| HEXASTICHON | • HEXASTICHON n. a poem or stanza of six lines, also HEXASTICH. | 
| HEXASTICHONS | • HEXASTICHON n. a poem or stanza of six lines, also HEXASTICH. | 
| HEXASTICHS | • hexastichs n. Plural of hexastich. • HEXASTICH n. a poem or stanza of six lines, also HEXASTICHON.
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| HIERACOSPHINX | • hieracosphinx n. A mythical beast found in Egyptian sculpture and European heraldry, being a lion with the head of a falcon. • HIERACOSPHINX n. in ancient Egyptian art, a hawk-headed sphinx.
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| HIERACOSPHINXES | • hieracosphinxes n. Plural of hieracosphinx. • HIERACOSPHINX n. in ancient Egyptian art, a hawk-headed sphinx.
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| PHYCOXANTHINS | • PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc. | 
| TACHYPHYLAXIS | • tachyphylaxis n. (Medicine) A rapidly decreasing response to a drug following administration of the initial doses. • TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug.
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| XANTHOCHROIAS | • XANTHOCHROIA n. yellowness of the skin. | 
| XANTHOCHROIDS | • xanthochroids n. Plural of xanthochroid. • XANTHOCHROID n. a blond-haired and blue eyed person with fair white skin.
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| XANTHOCHROISM | • xanthochroism n. Alternative form of xanthochromism. • XANTHOCHROISM n. a condition in which all skin pigments except yellow disappear.
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| XANTHOCHROISMS | • XANTHOCHROISM n. a condition in which all skin pigments except yellow disappear. | 
| XANTHOCHROMIAS | • XANTHOCHROMIA n. any yellowish discoloration, esp. of the cerebrospinal fluid. |