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raphides

American  
[raf-i-deez] / ˈræf ɪˌdiz /

plural noun

Botany.
raphide, singular raphis singular
  1. acicular crystals, usually composed of calcium oxalate, that occur in bundles in the cells of many plants.


Etymology

Origin of raphides

1835–45; < New Latin < Greek rhaphídes, plural of rhaphís needle

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

From this it will be seen that in this case the raphides did not separate from the mucilaginous juice to be held in suspension in the ether.

From Scientific American Supplement, No. 829, November 21, 1891 by Various

Under the microscope the raphides seemed as plentiful as in the case of the two acrid plants.

From Scientific American Supplement, No. 829, November 21, 1891 by Various

Among the cell-contents of some plants are beautiful crystals, called raphides.

From The Book of Household Management by Beeton, Mrs. (Isabella Mary)

Under the microscope the slide was found to be covered with a mass of raphides.

From Scientific American Supplement, No. 829, November 21, 1891 by Various

The microscope showed it to be free from oxalate of lime or other raphides.

From The Fijians A Study of the Decay of Custom by Thomson, Basil

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