Xanthidium
(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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Xanthidium definition was found in categories: Language, Idioms & Slang(1) Encyclopedia(1)
Xanthidium Definition from Language, Idioms & Slang Dictionaries & Glossaries
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xanthidium
xanthidium
xanthin \xan"thin\ (?), n. [gr. xanqo`s yellow.]
1. (physiol. chem.) a crystalline nitrogenous body closely related to both uric acid and hypoxanthin, present in muscle tissue, and occasionally found in the urine and in some urinary calculi. it is also present in guano. so called from the yellow color of certain of its salts (nitrates).
2. (chem.) a yellow insoluble coloring matter extracted from yellow flowers; specifically, the coloring matter of madder. [formerly written also xanthein.]
3. (chem.) one of the gaseous or volatile decomposition products of the xanthates, and probably identical with carbon disulphide. [obs.]
xanthidium
xanthin \xan"thin\ (?), n. [gr. xanqo`s yellow.]
1. (physiol. chem.) a crystalline nitrogenous body closely related to both uric acid and hypoxanthin, present in muscle tissue, and occasionally found in the urine and in some urinary calculi. it is also present in guano. so called from the yellow color of certain of its salts (nitrates).
2. (chem.) a yellow insoluble coloring matter extracted from yellow flowers; specifically, the coloring matter of madder. [formerly written also xanthein.]
3. (chem.) one of the gaseous or volatile decomposition products of the xanthates, and probably identical with carbon disulphide. [obs.]
Xanthidium Definition from Encyclopedia Dictionaries & Glossaries