imbrian

Fetched 2026-10-26 (cache).

Synonyms: umbrian, cimbrian

Antonyms: umbrian, cimbrian

Related words from Datamuse; suggestions, not definitions.

Proper noun

1. {{lb|en|geology}} A [[lunar]] [[geologic]] [[period]] divided into two [[epoch]]s: the Early Imbrian (3,850 million to about 3,800 million years ago) and Late Imbrian (3,800 million to about 3,200 million years ago).

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