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acicular

American  
[uh-sik-yuh-ler] / əˈsɪk yə lər /

adjective

  1. shaped like a needle.

  2. Metallurgy.

    1. (of cast iron) containing ferrite in a needlelike form.

    2. (of an alloy) having a microstructure of needlelike components.


Other Word Forms

Etymology

Origin of acicular

First recorded in 1785–95; acicul(a) + -ar 1

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.

One, named Einerguendi by Brown, consisted of compact felspar, coloured green by chlorite, with grains of quartz and acicular crystals of felspar.

From Three Expeditions into the Interior of Eastern Australia, Volume 1 by Mitchell, Thomas

One fissure was completely lined with exquisite, acicular crystals of sulphur, which perished with a touch.

From Unbeaten Tracks in Japan by Bird, Isabella L. (Isabella Lucy)

It is the methyl ester of a neutral body colchicein, which may be obtained in white acicular crystals.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" by Various

Palpi very slightly curved; second joint brown on the outer side; third acicular, a little shorter than the second.

From Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology by Various

In this disease cartilage, ligaments, and tendons, bone-marrow, muscle, the endocardium and aorta, the membranes of the brain and spinal cord, the skin and kidneys, may contain deposits of acicular crystals and amorphous granules.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

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