planorbiconic

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Adjective

1. {{lb|en|malacology|of a shell or fossil}} Having a relatively flat [[spiral]] shell (intermediate between [[serpenticonic]] and [[spheroconic]]) in which the whorls touch ([[evolute]] to [[involute]]) and get larger as they get further from the center, causing the shell to have the profile of a mushroom when viewed from the side, without being so [[wide]] or involute that it is [[cadiconic]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.