hot-stage

verb

To light the engine(s) of a rocket stage while still attached to the stage beneath it.

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Meanings

verbhot-stage (third-person singular simple present hot-stages, present participle hot-staging, simple past and past participle hot-staged)

present singular third person hot-stages · participle present hot-staging · participle past hot-staged · past hot-staged

  1. intransitiveTo light the engine(s) of a rocket stage while still attached to the stage beneath it.

    The Proton's second stage avoids ullage issues by hot-staging, allowing the engines to ignite while still being pushed by the first stage, but this necessitates the use of a special open trusswork in the interstage area to prevent the superheated second-stage exhaust from blowing up the rocket.

Cite this entry
APA

hot-stage. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/hot-stage

MLA

“hot-stage.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hot-stage. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “hot-stage,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/hot-stage.

Source: hot-stage on Wiktionary, CC BY-SA 4.0.