non-contemporaneityn.
/ˌnɒnkənˌtɛmp(ə)rəˈniːᵻti/, /ˌnɒnkənˌtɛmp(ə)rəˈneɪᵻti/, U.S. /ˈˌnɑnkənˌtɛmpərəˈniᵻdi/, /ˈˌnɑnkənˌtɛmpərəˈneɪᵻdi/ Chiefly Science.
The fact of not being contemporaneous.
ΘΚΠ
the world > time > relative time > simultaneity or contemporaneousness > [noun] > non-correspondence in time
asynchronism1875
non-contemporaneity1883
non-concurrence1956
non-concurrency1969
1883 Science 21 Dec. 795/1 The facts of geology and paleontology are, it appears to me, decidedly antagonistic to any such broad contemporaneity or non-contemporaneity as has been assumed by Professor Huxley.
1933 Polit. Sci. Q. 48 56 Its main contribution is the non-contemporaneity of what is contemporary.
1950 F. E. Zeuner Dating Past (ed. 2) iv. 78 The land rose faster than the sea-level in the northern Baltic region, and..the non-contemporaneity of the maximum in different parts of the Baltic may be due to this fact.
1986 Proc. Linn. Soc. New S. Wales 109 63 (title) Non-contemporaneity in the Marulan Batholith.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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n.1883