ammonite
1 synonym for ammonite, grouped by meaning and by how common each one is.
Noun — A fossil shell of an extinct group of sea animals related to squid and octopuses, usually coiled in a spiral.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use ammonite
The word patterns that sound natural to a native speaker.
It is a standard science term, common in paleontology and in museum and fossil-collecting contexts.
Etymology
English took the word from French ammonite, which came from the Latin phrase for the horn of Ammon. Pliny the Elder used the phrase because the coiled shells resembled the ram horns linked to the Egyptian god Amun.
Full origin of ammonite →