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xanthidium

Xanthidium is a 10 letter word which starts with the letter X and ends with the letter M for which we found 1 definitions.

Definition
(n.) A genus of minute unicellular algae of the desmids. These algae 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.

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