SINCE 1828
dictionary
thesaurus
view recents

acicular

adjective
Save Word
acic·​u·​lar | \ ə-ˈsi-kyə-lər How to pronounce acicular (audio) \

Definition of acicular

: shaped like a needle acicular leaves acicular crystals

First Known Use of acicular

1709, in the meaning defined above

History and Etymology for acicular

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

Learn More About acicular

Time Traveler for acicular

Time Traveler

The first known use of acicular was in 1709

See more words from the same year

Dictionary Entries Near acicular

acicula

acicular

aciculate

See More Nearby Entries 

Statistics for acicular

Cite this Entry

“Acicular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acicular. Accessed 17 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for acicular

acicular

adjective
acic·​u·​lar | \ ə-ˈsik-yə-lər How to pronounce acicular (audio) \

Medical Definition of acicular

: shaped like a needle acicular crystals

WORD OF THE DAY

stola

Listen to the pronunciation of stola

See Definitions and Examples »

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play
Ask the Editors
Word Games