English dictionary
thallus
/'/T//&/l/@/s/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a plant body without true stems or roots or leaves or vascular system; characteristic of the thallophytes
Source: WordNet 3.0
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A solid mass of cellular tissue, consisting of one or more layers, usually in the form of a flat stratum or expansion, but sometimes erect or pendulous, and elongated and branching, and forming the substance of the thallogens.
Source: webster1913