nocturnal penile tumescence

noun

An erection during sleep or on waking up.

Similar
morning wood
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Meanings

nounnocturnal penile tumescence (plural nocturnal penile tumescences)

plural nocturnal penile tumescences · alternative initialism NPT

  1. medicineAn erection during sleep or on waking up.

    Synonyms: morning wood

Synonyms & antonyms

nounAn erection during sleep or on waking up.

Similar
morning wood
Also see
morning wood
Cite this entry
APA

nocturnal penile tumescence. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/nocturnal%20penile%20tumescence

MLA

“nocturnal penile tumescence.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nocturnal%20penile%20tumescence. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “nocturnal penile tumescence,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/nocturnal%20penile%20tumescence.

Source: nocturnal penile tumescence on Wiktionary, CC BY-SA 4.0.