01 n. One of the Diatomaceæ, a family of minute unicellular Algæ having a siliceous covering of great delicacy, each individual multiplying by sp…
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1.
One of the Diatomaceæ, a family of minute unicellular Algæ having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariæ, but this word is not in general use.(Bot.) Also: Bacillariæ
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2.
A particle or atom endowed with the vital principle.“The individual is nothing. He is no more than the diatom, the bit of protoplasm.” — Mrs. E. Lynn Linton.