Thallium-sulfate
or thallous sulfate
noun, Chemistry.
1.
a colorless, crystalline, water-soluble, poisonous solid, Tl 2 SO 4 , used chiefly as an insecticide and rodenticide.
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- Thallo-
1. a combining form meaning “young, green shoot”, used in the formation of compound words: thallium. 2. a combining form representing thallus in compound words: thallophyte. 3. a combining form representing thallium in compound words: thallic.
- Thalloid
adjective, Botany, Mycology. 1. resembling or consisting of a thallus.
- Thallophyte
noun 1. any of the Thallophyta, a plant division in some older classification schemes, comprising algae, fungi, and lichens. noun 1. (obsolete) any organism of the former division Thallophyta, lacking true stems, leaves, and roots: includes the algae, fungi, lichens, and bacteria, all now regarded as separate phyla thallophyte (thāl’ə-fīt’) Any of a former group […]
- Thallous
adjective, Chemistry. 1. containing univalent thallium. adjective 1. of or containing thallium, esp in the monovalent state
- Thallus
noun, plural thalli [thal-ahy] /ˈθæl aɪ/ (Show IPA), thalluses. Botany, Mycology. 1. a simple vegetative body undifferentiated into true leaves, stem, and root, ranging from an aggregation of filaments to a complex plantlike form. noun (pl) thalli (ˈθælaɪ), thalluses 1. the undifferentiated vegetative body of algae, fungi, and lichens thallus thal·lus (thāl’əs) n. pl. thal·lus·es […]