Thesaurus: diatom

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1. n. One of the Diatomaceae, a family of minute unicellular Algae having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariae, but this word is not in general use.
2. n. A particle or atom endowed with the vital principle.
3. n. microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
4. 1. (Bot.) One of the Diatomaceæ, a word/family">family of word/minute">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. 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.
5. One of the Diatomaceæ, a word/family">family of word/minute">minute unicellular Alg¨aving a siliceous covering of great delicacy, each individualmultiplying by spontaneous division. By some authors diatoms arecalled Bacillariæ, but this word is not in general use.
6. n:100 n. microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica