adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Such a rock

Adjective

1. 1
   Of rocks: having multiple types of grain, typically fossiliferous material, ooids, peloids or intraclast in a carbonate matrix. not-comparable

Etymology

From allo- + chemical.

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