Definition of acicular in English:

acicular

Line breaks: aci¦cu|lar
Pronunciation: /əˈsɪkjʊlə
 
/

adjective

technical
(Chiefly of crystals) needle-shaped.
More example sentences
  • The acicular crystals are sometimes intergrown or twinned, causing a distortion that results in seemingly single crystals with relatively fat bases tapering to pointed terminations.
  • All of the acicular crystals are late Neoproterozoic
  • The largest amphibole crystals are embedded in the rock matrix, whereas the smaller acicular crystals line the hollows.

Origin

early 18th century: from late Latin acicula 'small needle' (diminutive of acus) + -ar1.

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