What does "micaceous" mean?

Of, pertaining to, consisting of, containing or resembling mica.

What is a synonym for "micaceous"?

Common synonyms include: mineral, petrified, sulfurous.

Micaceous

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Of, pertaining to, consisting of, containing or resembling mica.
"Formation of alteration minerals in the host rock during deformation within the shear zone is indicated by the parallel foliation within the secondary micaceous minerals and the unmineralized host schist."
2
sparkling; brilliant figuratively
"The book review was a micaceous example of perfection."

Adjective

1
hydrous silicates of or relating to or resembling mica wordnet

Synonyms

All synonyms

mineral petrified sulfurous

Example

More examples

"Formation of alteration minerals in the host rock during deformation within the shear zone is indicated by the parallel foliation within the secondary micaceous minerals and the unmineralized host schist."

Etymology

From mica + -aceous. From Latin mīca (“grain, crumb”). Often erroneously associated with Latin micō (“to twinkle, glitter”) and hence with English micacious.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.