serial key

Meanings

nounserial key (plural serial keys)

computingA string of characters or equivalent access code that must be input into a program in order to activate it.
Synonyms: serial

nounA string of characters or equivalent access code that must be input into a program in order to activate it.

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Cite this entry

APA

serial key. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/serial%20key

MLA

“serial key.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/serial%20key. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “serial key,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/serial%20key.