Home

Visit Our Sites

Unabridged Dictionary

Learner's Dictionary

Word Central for Kids

Collegiate Dictionary

Premium Services

Unabridged Dictionary

Collegiate Dictionary

Encyclopedia Britannica

Institutional Subscriptions

Citing the Dictionary

Also Visit:
Unabridged

Visual
ESL:
Learner's
for Kids:
Spell It!
Word Central

Ordovician

Browse the Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

ordovician

Main Entry:: Or·do·vi·cian
Pronunciation:: \ˌȯr-də-ˈvi-shən\
Function:: adjective
Etymology:: Latin Ordovices, ancient people in northern Wales
Date:: 1879

: of, relating to, or being the period between the Cambrian and the Silurian or the corresponding system of rocks — see geologic time table

— Ordovician noun

Learn more about "Ordovician" and related topics at Britannica.com

See a map of "Ordovician" in the Visual Thesaurus

Find Jobs in Your City

Pronunciation Symbols