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Pronunciation varies by accent · noun
(geology, paleontology) The total stratigraphic unit deposited during a certain corresponding span of time during an era in the geologic timescale..
Use erathem when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Erathem means (geology, paleontology) The total stratigraphic unit deposited during a certain corresponding span of time during an era in the geologic timescale..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use erathem where its definition matches the intended context.
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