coralloid

English

Etymology

coral +‎ -oid

Adjective

coralloid (not comparable)

1. Having the shape or form of coral.

Synonyms

• coralloidal

Noun

coralloid (plural coralloids)

1. A small node of calcite, aragonite or gypsum that forms on surfaces in caves, especially limestone caves.

Synonyms

• cave popcorn

Hypernyms

• speleothem