acicular

Example Sentences

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Minute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

Hyoscyamine crystallizes in the acicular form, with greater difficulty even than atropine, it also forms less compact crystals.

From Scientific American Supplement, No. 324, March 18, 1882 by Various

Mī′crolith, a name suggested by Vogelsang in 1867 for the microscopic acicular components of rocks.—adj.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

Sammetblende or przibramite is a variety, from Przibram in Bohemia, consisting of delicate acicular or capillary crystals arranged in radiating groups with a velvety surface and yellow colour.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various

The fragments are angular or rounded, small or large, and consist of bluish or reddish compact feldspathic matter, in which a few acicular crystals of feldspar can sometimes be seen.

From Geological Observations on South America by Darwin, Charles