| ALEXIPHARMICS | • alexipharmics n. Plural of alexipharmic. • ALEXIPHARMIC n. an antidote to poison. |
| CHALCEDONYXES | • CHALCEDONYX n. an agate of alternating white opaque and greyish transparent chalcedony. |
| HEXACHLORIDES | • hexachlorides n. Plural of hexachloride. • HEXACHLORIDE n. a chloride containing six atoms of chlorine. |
| HEXADACTYLOUS | • hexadactylous adj. (Zoology) Having six fingers or toes. • HEXADACTYLOUS adj. having six fingers, also HEXADACTYLIC. |
| 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. |
| PHYCOXANTHINS | • PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc. |
| SCEUOPHYLAXES | • SCEUOPHYLAX n. a sacristan. |
| TACHYPHYLAXES | • tachyphylaxes n. Plural of tachyphylaxis. • TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug. |
| 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. |
| TOXICOPHAGOUS | • TOXICOPHAGOUS adj. eating poison, also TOXIPHAGOUS. |
| TOXICOPHOBIAS | • TOXICOPHOBIA n. the morbid fear of poisoning, also TOXIPHOBIA. |
| 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. |
| XANTHOCHROISM | • xanthochroism n. Alternative form of xanthochromism. • XANTHOCHROISM n. a condition in which all skin pigments except yellow disappear. |
| XANTHOCHROOUS | • xanthochroous adj. Yellow‐skinned; of or pertaining to Xanthochroi. • XANTHOCHROOUS adj. exhibiting xanthochroism, a condition in which all pigments other than yellow disappear, also XANTHOCHROIC. |