DIACHRONY

PRONUNCIATION: (dy-AK-ruh-nee)

MEANING: noun: Change occurring over a period of time.

ETYMOLOGY: From Greek dia- (through) + chronos (time). Earliest documented use: 1939. Contrasted with synchrony.
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DIACHRONE - a singularity moment in a perpendicular time axis (if he can do it, so can I - just not as well)

DI-ATHRONY - after the Princess' fatal car accident, needless to say, she was removed from the line of succession

DI-ACH IRONY - dual acetylcholine molecules can have unexpected effects, he said wryly