acicular
Related Words
bluntroundedneedlespinethornbristlespikecrystalmineralgeologybotanyfoliagepinefirspruceconiferleafstomaepidermiscuticlemorphologystructureshapegeometrylinearslenderthinpointedsharptaperedelongatedfilamentfiberhairsetaspiculecalcificationquartzrutileasbestoshabitcrystallographylatticeprismaxissymmetrymicroscopemagnificationspecimensamplepetrologyigneoussedimentarymetamorphicinclusionphenocrystmatrixgraintextureporositycapillarypuncturepiercestingprickle