英语词汇“proterozoic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Prot•er•o•zo•ic [Geol.]
adj.

Geologynoting or pertaining to the latter half of the Precambrian Era, from about 2.5 billion to 570 million years ago, characterized by the appearance of bacteria and marine algae;
Algonkian.

Geologythe Proterozoic division of geologic time or the rock systems formed then;
Algonkian. See table under geologic time.

单词	proterozoic
释义	WordReference Random House Unabridged Dictionary of American English © 2024 Prot•er•o•zo•ic (prot′ər ə zō′ik, prō′tər-),USA pronunciation [Geol.] adj. Geologynoting or pertaining to the latter half of the Precambrian Era, from about 2.5 billion to 570 million years ago, characterized by the appearance of bacteria and marine algae; Algonkian. n. Geologythe Proterozoic division of geologic time or the rock systems formed then; Algonkian. See table under geologic time. protero- + zo- + -ic 1905–10
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