| tetr | a word that is written with four letters in an alphabetic writing system |
|---|---|
| tetr | four Hebrew letters (usually transliterated as YHWH (Yahweh) or JHVH (Jehovah)) signifying the Hebrew name for God (which the Jews regarded as too holy to pronounce) |
| tetr | any halide containing four halogen atoms in it molecules |
| tetr | any polyhedron having four plane faces |
| tetr | psychoactive substance present in marijuana |
| tetr | relative of the paramecium |
| tetr | hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells |
| tetr | a series of four related works (plays or operas or novels) |
| tetr | a congenital heart defect producing cyanosis |
| tetr | (biology) having or consisting of four similar parts |
| tetr | a verse line having four metrical feet |
| tetr | a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups |