fizgigtiznalkie

@fizgigtiznalkie@lemmynsfw.com

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⁨Comment⁩ on ⁨[deleted]⁩ ⁨⁨6⁩ ⁨months⁩ ago⁩:
The prefixes “cis” and “trans” are from Latin: “this side of” and “the other side of”, they are opposites and have been used in chemistry for decades.