acicular

Example Sentences

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Much of the calcium in sea-water exists as sulphate; and on evaporation of a drop of sea-water under the microscope this sulphate is deposited as acicular crystals of gypsum.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" by Various

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

Spores of Bacidia fuscorubella to illustrate the several-celled, hyaline, acicular type.

From Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 The Ascomycetes of Ohio IV and V by Hilker, Leafy Jane Corrington

Elongated, cylindrical, rounded at both ends; thick cuticle with acicular spicules; radula polystichous or wanting.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" 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