دیکشنری فارسی

Priscoan eon

ریشه و کاربرد

ریشه

Combination of the words 'Priscoan' and 'eon'.

مثال

  • The Priscoan eon is a geological time period that lasted for approximately 400 million years.
  • Scientists study the rocks from the Priscoan eon to understand the Earth's early history.
  • The Priscoan eon is characterized by the absence of complex life forms.

تعریف انگلیسی

noun
  1. the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life

همین دیکشنری روی گوشی

همهٔ ۲۹۱٬۲۱۲ واژه، بدون نیاز به اینترنت.

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