Definition of Silurian in English:

Silurian

adjective sɪˈljʊərɪənsʌɪˈljʊərɪən

Geology

1Relating to or denoting the third period of the Palaeozoic era, between the Ordovician and Devonian periods.
〔地质〕志留纪的，志留系的
Example sentencesExamples
- Another hiatus occurs between the Kap Holbek Formation and the overlying middle Lower Ordovician - Silurian carbonate and elastic rocks.
- The so-called ophiolitic relics at the Moldanubian-Brunovistulian boundary show Early Ordovician to Silurian crystallization ages.
- Studies of acritarchs and chitinozoans suggest Ordovician to Silurian ages.
- Conventionally, the Cambrian, Ordovician, and Silurian systems constitute the Lower Palaeozoic and the Devonian, Carboniferous, and Permian comprise the Upper Palaeozoic.
- These are overlain by low-grade metamorphosed sediments and volcanics of Ordovician and Silurian age.
1. 1.1as noun the Silurian The Silurian period or the system of rocks deposited during it.
  志留纪岩石时期（或系）

The Silurian lasted from about 439 to 409 million years ago. The first true fish and land plants appeared, and the end of the period is marked by the climax of the Caledonian orogeny

Origin

Early 18th century: from Latin Silures (denoting a people of ancient SE Wales) + -ian.

Rhymes

Arthurian, Ben-Gurion, centurion, durian, holothurian, Khachaturian, Ligurian, Missourian, tellurian

Definition of Silurian in US English:

Silurian

adjective

Geology

1Relating to or denoting the third period of the Paleozoic era, between the Ordovician and Devonian periods.
〔地质〕志留纪的，志留系的
The Silurian lasted from about 439 million to 409 million years ago. The first true fish and land plants appeared during the period, and the end of the period is marked by the climax of the Caledonian orogeny
Example sentencesExamples
- Another hiatus occurs between the Kap Holbek Formation and the overlying middle Lower Ordovician - Silurian carbonate and elastic rocks.
- Studies of acritarchs and chitinozoans suggest Ordovician to Silurian ages.
- These are overlain by low-grade metamorphosed sediments and volcanics of Ordovician and Silurian age.
- Conventionally, the Cambrian, Ordovician, and Silurian systems constitute the Lower Palaeozoic and the Devonian, Carboniferous, and Permian comprise the Upper Palaeozoic.
- The so-called ophiolitic relics at the Moldanubian-Brunovistulian boundary show Early Ordovician to Silurian crystallization ages.
1. 1.1as noun the Silurian The Silurian period or the system of rocks deposited during it.
  志留纪岩石时期（或系）

Origin

Early 18th century: from Latin Silures (denoting a people of ancient SE Wales) + -ian.

词汇	Silurian
释义	Definition of Silurian in English: Silurian adjective sɪˈljʊərɪənsʌɪˈljʊərɪən Geology 1Relating to or denoting the third period of the Palaeozoic era, between the Ordovician and Devonian periods. 〔地质〕志留纪的，志留系的 Example sentencesExamples Another hiatus occurs between the Kap Holbek Formation and the overlying middle Lower Ordovician - Silurian carbonate and elastic rocks. The so-called ophiolitic relics at the Moldanubian-Brunovistulian boundary show Early Ordovician to Silurian crystallization ages. Studies of acritarchs and chitinozoans suggest Ordovician to Silurian ages. Conventionally, the Cambrian, Ordovician, and Silurian systems constitute the Lower Palaeozoic and the Devonian, Carboniferous, and Permian comprise the Upper Palaeozoic. These are overlain by low-grade metamorphosed sediments and volcanics of Ordovician and Silurian age. 1.1as noun the Silurian The Silurian period or the system of rocks deposited during it. 志留纪岩石时期（或系） The Silurian lasted from about 439 to 409 million years ago. The first true fish and land plants appeared, and the end of the period is marked by the climax of the Caledonian orogeny Origin Early 18th century: from Latin Silures (denoting a people of ancient SE Wales) + -ian. Rhymes Arthurian, Ben-Gurion, centurion, durian, holothurian, Khachaturian, Ligurian, Missourian, tellurian Definition of Silurian in US English: Silurian adjective Geology 1Relating to or denoting the third period of the Paleozoic era, between the Ordovician and Devonian periods. 〔地质〕志留纪的，志留系的 The Silurian lasted from about 439 million to 409 million years ago. The first true fish and land plants appeared during the period, and the end of the period is marked by the climax of the Caledonian orogeny Example sentencesExamples Another hiatus occurs between the Kap Holbek Formation and the overlying middle Lower Ordovician - Silurian carbonate and elastic rocks. Studies of acritarchs and chitinozoans suggest Ordovician to Silurian ages. These are overlain by low-grade metamorphosed sediments and volcanics of Ordovician and Silurian age. Conventionally, the Cambrian, Ordovician, and Silurian systems constitute the Lower Palaeozoic and the Devonian, Carboniferous, and Permian comprise the Upper Palaeozoic. The so-called ophiolitic relics at the Moldanubian-Brunovistulian boundary show Early Ordovician to Silurian crystallization ages. 1.1as noun the Silurian The Silurian period or the system of rocks deposited during it. 志留纪岩石时期（或系） Origin Early 18th century: from Latin Silures (denoting a people of ancient SE Wales) + -ian.
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