Link Centre Dictionary

Ordovician

or·do·vi·cian

uncommon

noun

1.

from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds

Synonyms

Origin

From Ordovices + -ian.

Related words

Word family

Broader terms

Parts

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.