turn upon

A form of turn on — To set a flow of fluid or gas running by rotating a tap or valve.

Meanings

verbturn upon (third-person singular simple present turns upon, present participle turning upon, simple past and past participle turned upon)

present singular third person turns upon · participle present turning upon · participle past turned upon · past turned upon

  1. alternativetransitiveAlternative form of turn on (“aim at; rebel against; attack suddenly”).

    Time is the hound of the gods; but it hath been said of old that he will one day turn upon his masters, and seek to slay the gods, excepting only Māna-Yood-Sushāī, whose dreams are the gods themselves — dreamed long ago.

    1905, Lord Dunsany [i.e., Edward Plunkett, 18th Baron of Dunsany], The Gods of Pegāna, London: [Charles] Elkin Mathews, […], →OCLC
Cite this entry
APA

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

MLA

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

Chicago

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

Source: turn upon on Wiktionary, CC BY-SA 4.0.