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thallogen

Thallogen is a 9 letter word which starts with the letter T and ends with the letter N for which we found 1 definitions.

Definition
(n.) One of a large class or division of the vegetable kingdom which includes those flowerless plants such as fungi algae and lichens that consist of a thallus only composed of cellular tissue or of a congeries of cells or even of separate cells and never show a distinction into root stem and leaf.
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