Acicula Definition

ə-sĭkyə-lə
aciculae
noun
A needlelike spine, prickle, particle, or crystal; esp., an ice crystal.
Webster's New World
A slender, needlelike part or structure, such as a spine or bristle of certain plants and animals or a crystal of certain minerals.
American Heritage Medicine

One of the needlelike or bristlelike spines or prickles of some animals and plants; also, a needlelike crystal.

Wiktionary
Synonyms:

Other Word Forms of Acicula

Noun

Singular:
acicula
Plural:
aciculae

Origin of Acicula

  • Latin hairpin diminutive of acus needle ak- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin pin for a head-dress

    From Wiktionary

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