As adjectives the difference between acicular and acerose
is that acicular is needle-shaped; slender like a needle or bristle while acerose is (botany) having the nature of chaff; chaffy or acerose can be (botany) needle-shaped, having a sharp, rigid point, as the leaf of the pine.
acicular
English
Adjective
(-)
Needle-shaped; slender like a needle or bristle.
Having sharp points like needles.
Derived terms
* acicularly
acerose
English
Etymology 1
(etyl) acerosus'' chaffy, from ''acus'', (genitive ''aceris ), chaff
Adjective
(-)
(botany) Having the nature of chaff; chaffy.
Etymology 2
As if from Latin acus'' needle: compare French
Adjective
(-)
(botany) needle-shaped, having a sharp, rigid point, as the leaf of the pine.