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acicula

[uh-sik-yuh-luh] /əˈsɪk yə lə/
noun, plural aciculae
[uh-sik-yuh-lee] /əˈsɪk yəˌli/ (Show IPA)
1.
a needlelike part; spine, bristle, or needlelike crystal.
2.
a plural of aciculum.
Origin
1875-1880
1875-80; < Neo-Latin, Late Latin, alteration of acucula ornamental pin, equivalent to Latin acu-, stem of acus needle (cf. acute) + -cula -cule1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for aciculae

acicula

/əˈsɪkjʊlə/
noun (pl) -lae (-ˌliː)
1.
a needle-shaped part, such as a spine, prickle, or crystal
Derived Forms
acicular, adjective
Word Origin
C19: New Latin, diminutive of acus needle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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