Definitions

from The Century Dictionary.

  • noun A name applied to the fossil spore-cases of desmidean Algæ and also to the statoblasts of Polyzoa: found in rocks of various ages.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) A genus of minute unicellular algæ of the desmids. These algæ have a rounded shape and are armed with glochidiate or branched aculei. Several species occur in ditches, and others are found fossil in flint or hornstone.

Etymologies

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Examples

  • Admittedly, making “X” part of the word, “eXtreme” makes a certain amount of sense here, but a part of me still years for a xanthidium explanation.

    Review of the Day: The Invisible ABCs

  • Admittedly, making “X” part of the word, “eXtreme” makes a certain amount of sense here, but a part of me still years for a xanthidium explanation.

    Archive 2006-11-01

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