timescale

noun

time·​scale ˈtīm-ˌskāl How to pronounce timescale (audio)
: an arrangement of events used as a measure of the relative or absolute duration or antiquity of a period of history or geologic or cosmic time

Examples of timescale in a Sentence

When considered on the 4.6 billion year timescale of the Earth, our lives can seem insignificant. What is the timescale for completion of the work?
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Eventually, on timescales so long humanity will never witness them, the universe will fade into darkness. Sharmila Kuthunur, Space.com, 15 May 2025 The findings offer a compelling response to Crick’s dilemma, reconciling the discordant timescales to explain how ephemeral molecules maintain memories that last a lifetime. Ajdina Halilovic, Quanta Magazine, 7 May 2025 Further study within this area could also help scientists better understand how the Earth evolves on long timescales. Taylor Nicioli, CNN Money, 18 Apr. 2025 Prior advancements all came with some sort of asterisk, though; for example, the derivations involved only worked on short timescales, in a vacuum or under other simplifying conditions. Jack Murtagh, Scientific American, 14 Apr. 2025 See All Example Sentences for timescale

Word History

First Known Use

1890, in the meaning defined above

Time Traveler
The first known use of timescale was in 1890

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Cite this Entry

“Timescale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/timescale. Accessed 21 May. 2025.

Kids Definition

timescale

noun
time·​scale ˈtīm-ˌskāl How to pronounce timescale (audio)
: an arrangement of events used as a measure of the duration or age of a period of history or geologic or cosmic time
Last Updated: - Updated example sentences
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