Silurian — Si*lu ri*an, a. [From L. Silures, a people who anciently inhabited a part of England and Wales.] (Geol.) Of or pertaining to the country of the ancient Silures; a term applied to the earliest of the Paleozoic eras, and also to the strata of the… … The Collaborative International Dictionary of English
silurian — SILURIÁN, Ă, silurieni, e, s.n., adj. 1. s.n. A treia perioadă a erei paleozoice care se caracterizează prin sedimentări de calcar, de gresie, de şisturi argiloase, prin apariţia primelor plante terestre şi prin dezvoltarea nevertebratelor marine … Dicționar Român
Silurian — [si loor′ē ən, sīloor′ē ən] adj. 1. of the Silures 2. [because the rocks were first found in an area in SE Wales: see SILURES] [sometimes s ] designating or of the third geologic period of the Paleozoic Era, characterized by the development of… … English World dictionary
Silurian — Si*lu ri*an, n. The Silurian age. [1913 Webster] … The Collaborative International Dictionary of English
Silurian — ► ADJECTIVE Geology ▪ referring to the third period of the Palaeozoic era (between the Ordovician and Devonian periods, about 439 to 409 million years ago), a time when the first fish and land plants appeared. ORIGIN from Silures, the Latin name… … English terms dictionary
Silurian — Geological period from=444 middle=429 to=416 o2=14 co2=4500 temp=17The Silurian is a geologic period and system that extends from the end of the Ordovician period, about 443.7 ± 1.5 Ma (million years ago), to the beginning of the Devonian period … Wikipedia
Silurian — adjective Etymology: Latin Silures Date: 1708 1. of or relating to the Silures or their place of habitation 2. of, relating to, or being a period of the Paleozoic era between the Ordovician and Devonian or the corresponding system of rocks marked … New Collegiate Dictionary
Silurian — a geological period within the Palaeozoic ca. 441 113 million years ago. Most of the major groups of fishes are thought to have originated in the Early Silurian. Abbreviated as S … Dictionary of ichthyology
Silurian — /si loor ee euhn, suy /, adj. 1. of or pertaining to the Silures or their country. 2. Geol. noting or pertaining to a period of the Paleozoic Era, occurring from 425 to 405 million years ago, notable for the advent of air breathing animals and… … Universalium
Silurian — 1. adjective Of a geologic period within the Paleozoic era; comprises the Llandovery, Wenlock, Ludlow and Pridoli epochs from about 439 to 409 million years ago. 2. noun … Wiktionary