DEVONIAN
- noting or pertaining to a period of the Paleozoic Era, 405 to 345 million years ago, characterized by the dominance of fishes and the advent of amphibians and ammonites
- of or pertaining to Devonshire, England
- the Devonian Period or System
- relating to a type of rock formed in the fourth period of the Palaeozoic era [adj]
- of or pertaining to a certain geologic time period [adj]