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

Having found, in small quantities, alcohols of the CnH2n-7 series, last summer, in the stem, acicular leaves, and cones of Pinus sylvestris, I wish in this paper to say a few words on the subject.

From Scientific American Supplement, No. 443, June 28, 1884 by Various

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

Those of the beryl we sometimes find quite flat, as though they had been compressed by force: then again they are acicular and of extraordinary length, considering their slender diameter.

From Lippincott's Magazine of Popular Literature and Science Volume 11, No. 27, June, 1873 by Various

These brown-coloured, compact lavas, consist almost entirely of small glimmering scales, or of minute acicular crystals, of feldspar, placed close by the side of each other, and abounding with minute black specks, apparently of hornblende.

From Volcanic Islands by Darwin, Charles