desmid


des·mid

noun \ˈdez-məd\

Definition of DESMID

:  any of numerous unicellular or colonial green algae (order Zygnematales, especially family Desmidiaceae)

Illustration of DESMID

Origin of DESMID

ultimately from Greek desmos
First Known Use: 1862

desmid

noun    (Concise Encyclopedia)

Desmid (Micrasterias), highly magnified—Winton Patnode—Photo Researchers

Any of a group of one-celled, microscopic green algae characterized by great variation in cell shape. Typically the cell is divided symmetrically into semicells connected at a central point. Desmids are found worldwide, usually in acid bogs or lakes. Since most species have a limited range, the presence of specific desmids is helpful in characterizing water samples.

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