Ordovician
Ordovician tanım:
Kelime: Or·do·vi·cianSöyleniş: "or-d&-'vi-sh&n
İşlev: adjective
Kökeni: Latin Ordovices, ancient people in northern Wales
: 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