Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: Silurian  sI'lur-ee-un
  1. The period from 425 million to 405 million years ago; characterized by the first air-breathing animals
    - Silurian period

Derived forms: Silurians

Type of: geological period, period

Part of: Palaeozoic [Brit, Cdn], Paleozoic, Paleozoic era

Encyclopedia: Silurian

Nearest

silly billy
silly season
silo
siloxane
Silphium
Silphium laciniatum
silt
silt up
siltstone
silty
Silurian
Silurian period
silurid
silurid fish
Siluridae
siluriform fish
Siluriformes
Silurus
Silurus glanis
silva
silvan