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

The phonolite is of a greenish-grey colour, and is full of minute acicular crystals of feldspar; in most parts it has a conchoidal fracture, and is sonorous, yet it is crenulated with minute air-cavities.

From Volcanic Islands by Darwin, Charles

Here, in storm or shine, is shelter from the winter wind or shade from the summer sun, while underfoot the fallen acicular leaves of the pines are impervious to the damp.

From Bournemouth, Poole & Christchurch by Haslehust, E. W.

It crystallizes in the orthorhombic system, and the crystals are either prismatic or acicular in habit.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

Sagenite, sāj′en-īt, n. acicular crystals of rutile occurring in reticulated forms embedded in quartz.—adj.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various