| THALLI | • thalli n. Plural of thallus. • THALLUS n. (Greek) a plant body not differentiated into leaf, stem and root. |
| THALLIC | • thallic adj. (Inorganic chemistry) Pertaining to or containing the element thallium, especially with valence 3. • thallic adj. (Botany) Pertaining to a thallus. • THALLIC adj. of or containing trivalent thallium. |
| THALLUS | • thallus n. (Botany) An undifferentiated plant body, such as in algae. • thallus n. (Botany) Any plant body lacking vascular tissue. • THALLUS n. (Greek) a plant body not differentiated into leaf, stem and root. |
| THALLINE | • thalline adj. (Botany) Having a thallus. • thalline n. (Obsolete, medicine) Any of several derivatives of quinoline used as antipyretics. • THALLINE n. a chemical compound used for medicinal purposes. |
| THALLIUM | • thallium n. A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors… • thallium n. A single atom of this element. • THALLIUM n. a rare bluish-white metallic chemical element. |
| THALLOID | • thalloid adj. Of or pertaining to a thallus. • thalloid adj. (Botany) Of a plant, alga, or fungus lacking complex organization, especially lacking distinct stems… • THALLOID adj. having the form of a thallus. |
| THALLOUS | • thallous adj. (Inorganic chemistry) Of or pertaining to thallium, especially to thallium having a valency of 1. • THALLOUS adj. of or containing divalent thallium. |
| THALLINES | • thallines n. Plural of thalline. • THALLINE n. a chemical compound used for medicinal purposes. |
| THALLIOUS | • thallious adj. (Chemistry) Alternative form of thallous. • THALLIOUS adj. containing thallium. |
| THALLIUMS | • thalliums n. Plural of thallium. • THALLIUM n. a rare bluish-white metallic chemical element. |
| THALLUSES | • thalluses n. Plural of thallus. • THALLUS n. (Greek) a plant body not differentiated into leaf, stem and root. |
| THALLIFORM | • thalliform adj. Of the form of a thallus. • THALLIFORM adj. shaped like a thallus, a plant body not differentiated into leaf, stem and root. |
| THALLOPHYTE | • thallophyte n. (Botany) Any of very many primitive plants that consist of a thallus (plant body not differentiated… • THALLOPHYTE n. any organism belonging to the Thallophyta, that includes algae, fungi, and bacteria. |
| THALLOPHYTES | • thallophytes n. Plural of thallophyte. • THALLOPHYTE n. any organism belonging to the Thallophyta, that includes algae, fungi, and bacteria. |
| THALLOPHYTIC | • thallophytic adj. Relating to thallophytes. • THALLOPHYTIC adj. of or like a thallophyte. |