iddingsite

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|mineral}} A mixture of [[clay]] [[mineral]]s and [[iron oxide]]s formed by [[alteration]] of [[olivine]]

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