the succession of eras, periods, and epochs as considered in historical geology.
Super Spooky Night Time WordsWhether you like nightfall or not, these literary words help capture its truest form, ranging from spooky to serene, and everything in between.
Is It “Sometime,” “Sometimes,” Or “Some Time”?While they appear very similar, sometime, sometimes, and some time have slightly different meanings. Sometime means a vague point in time, and usually refers to a long amount of time. Sometimes means occasionally. Some time refers to a period of time. Sometime Sometime refers to an unspecified point in time. It functions as an adverb, and is also synonymous with someday, one day, or sooner …
Origin of geologic time
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for geologic time
[ jē′ə-lŏj′ĭk ]
The period of time covering the formation and development of the Earth, from about 4.6 billion years ago to today.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.