timescale
noun
time·scale ˈtīm-ˌskāl 
: 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
Example Sentences
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 Surface features on the Sun come and go every day or so, says Jackiewicz; this is a strange timescale. 
Bruce Dorminey, Forbes, 2 July 2022 And, for the first time, proof that logic gates can operate on a femtosecond timescale (a millionth of a billionth of a second or faster). Joshua Hawkins, BGR, 21 May 2022 Include projected increases in perception and retention metrics, and create a timescale to correlate how these increases will impact revenue. Rouzbeh Amini, Forbes, 20 Jan. 2022 Vacation days are nice—and Americans should get more of them—but truly helping people to be more than just their job would mean thinking on a bigger timescale. Joe Pinsker, The Atlantic, 23 May 2022 This is a sensible timescale and fits with the CBDC agenda because the Bank of England have already said that the introduction of retail CBDC will be sometime beyond 2025 (and the Federal Reserve exhibit similar caution). David G.w. Birch, Forbes, 17 Apr. 2022 We’ve not been give a timescale for that (other than ‘soon’), but please keep a look out for upcoming software updates. Chris Smith, BGR, 24 Mar. 2022 Although methane emissions are relatively low compared to CO2 emissions, each ton has a whopping 30 to 80 times the relative warming potential (depending on the timescale of interest). K.e.d. Coan, Ars Technica, 2 Mar. 2022 But by the 1970s, scientists were finding evidence that Darwin might be wrong—at least about the timescale. Amit Katwala, Wired, 4 Feb. 2022 See More
Bruce Dorminey, Forbes, 2 July 2022 And, for the first time, proof that logic gates can operate on a femtosecond timescale (a millionth of a billionth of a second or faster). Joshua Hawkins, BGR, 21 May 2022 Include projected increases in perception and retention metrics, and create a timescale to correlate how these increases will impact revenue. Rouzbeh Amini, Forbes, 20 Jan. 2022 Vacation days are nice—and Americans should get more of them—but truly helping people to be more than just their job would mean thinking on a bigger timescale. Joe Pinsker, The Atlantic, 23 May 2022 This is a sensible timescale and fits with the CBDC agenda because the Bank of England have already said that the introduction of retail CBDC will be sometime beyond 2025 (and the Federal Reserve exhibit similar caution). David G.w. Birch, Forbes, 17 Apr. 2022 We’ve not been give a timescale for that (other than ‘soon’), but please keep a look out for upcoming software updates. Chris Smith, BGR, 24 Mar. 2022 Although methane emissions are relatively low compared to CO2 emissions, each ton has a whopping 30 to 80 times the relative warming potential (depending on the timescale of interest). K.e.d. Coan, Ars Technica, 2 Mar. 2022 But by the 1970s, scientists were finding evidence that Darwin might be wrong—at least about the timescale. Amit Katwala, Wired, 4 Feb. 2022 See More Word History
First Known Use
1890, in the meaning defined above