acicular

adjective

acic·​u·​lar ə-ˈsi-kyə-lər How to pronounce acicular (audio)
: shaped like a needle
acicular leaves
acicular crystals

Word History

Etymology

borrowed from New Latin aciculāris, from Late Latin acicula, acucula "small needle, small pin for a headdress" (from Latin acu-, stem of acus "needle" —going back to Indo-European *h₂eḱ-u- "pointed"— + -cula, diminutive suffix) + Latin -āris -ar — more at acute

First Known Use

1709, in the meaning defined above

Time Traveler
The first known use of acicular was in 1709

Dictionary Entries Near acicular

Cite this Entry

“Acicular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acicular. Accessed 18 Jul. 2024.

Medical Definition

acicular

adjective
acic·​u·​lar ə-ˈsik-yə-lər How to pronounce acicular (audio)
: shaped like a needle
acicular crystals
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