Associations to the word «Ordovician»

Wiktionary

ORDOVICIAN, adjective. (geology) Of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 488 to 443 million years ago.
ORDOVICIAN, proper noun. (geology) The Ordovician period.

Dictionary definition

ORDOVICIAN, noun. From 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds.

Wise words

We cannot always control our thoughts, but we can control our words, and repetition impresses the subconscious, and we are then master of the situation.
Florence Scovel Shinn