Also spelled palaeozoic and palaezoic
Meanings
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1
adj
of or relating to or denoting the Paleozoic era
The word paleozoic appears in scientific writing with a precise technical sense.
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2
adj
Of a geologic era within the Phanerozoic eon that comprises the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian periods from about 542 to 250 million years ago, from the age of trilobites to that of reptiles.
‘Itʼs all Paleozoic rock under our feet, this part of the world: to think of it, laid down five hundred million years before, shrugging its shoulders and bringing down the steeples on the churches!’
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3
name
The Paleozoic era.
The word paleozoic appears in scientific writing with a precise technical sense.
Etymology
From paleo- + -zoic.