acicular
Americanadjective
-
shaped like a needle.
-
Metallurgy.
-
(of cast iron) containing ferrite in a needlelike form.
-
(of an alloy) having a microstructure of needlelike components.
-
Other Word Forms
Etymology
Origin of acicular
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.
Soon Birdie and myself were a mass of acicular crystals; it was a true easterly fog.
From A Lady's Life in the Rocky Mountains by Isabella L. (Isabella Lucy) Bird
In igneous rocks of all kinds it is invariably present in small amounts as minute acicular crystals, and was one of the first constituents of the rock to crystallize out from the magma.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various
Spher′ūle, a little sphere; Spher′ūlite, a radiating spherical group of minute acicular crystals common in silicious volcanic rocks.—adjs.
From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various
One fissure was completely lined with exquisite, acicular crystals of sulphur, which perished with a touch.
From Unbeaten Tracks in Japan by Isabella L. (Isabella Lucy) Bird
Besides inulin, C12H20O10, a body isomeric with starch, the root contains helenin, C6H8O, a stearoptene, which may be prepared in white acicular crystals, insoluble in water, but freely soluble in alcohol.
From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
