| AUTOTOXINS | • autotoxins n. Plural of autotoxin. • AUTOTOXIN n. a poisonous substance formed within the body within which it acts. |
| AXONOMETRY | • axonometry n. Axonometric projection. • AXONOMETRY n. the branch of crystallography concerned with measurement of the axes of crystals. |
| EXODONTIAS | • exodontias n. Plural of exodontia. • EXODONTIA n. the branch of dentistry involving the extraction of teeth. |
| EXONERATOR | • exonerator n. One who exonerates. • EXONERATOR n. one who exonerates or frees from obligation. |
| EXORATIONS | • exorations n. Plural of exoration. • EXORATION n. (obsolete) entreaty. |
| HAEMOTOXIN | • haemotoxin n. Alternative form of hemotoxin. • HAEMOTOXIN n. a substance that destroys red blood cells, also HEMOTOXIN. |
| OXIDATIONS | • oxidations n. Plural of oxidation. • OXIDATION n. the act of oxidizing. |
| OXYGENATOR | • oxygenator n. Any device that releases oxygen (or air) into water, especially one in an aquarium. • OXYGENATOR n. an oxidizer. |
| PAROXYTONE | • paroxytone adj. (Linguistics, of a word) Having the stress or accent on the penultimate syllable. • paroxytone n. (Linguistics) A paroxytone word. • PAROXYTONE n. a word having an acute accent on the penultimate syllable. |
| TAXONOMERS | • taxonomers n. Plural of taxonomer. • TAXONOMER n. a specialist in taxonomy, also TAXONOMIST. |
| TAXONOMIES | • taxonomies n. Plural of taxonomy. • TAXONOMY n. the study of scientific classification. |
| TAXONOMIST | • taxonomist n. (Taxonomy) Someone whose profession is taxonomy, or who performs taxonomy at a professional level. • TAXONOMIST n. a specialist in taxonomy, also TAXONOMER. |
| TOXICATION | • toxication n. (Biochemistry) the metabolism of a drug or other compound to produce a toxic metabolite. • TOXICATION n. the state of being toxic. |