Underpressure

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    insufficient pressure; a marked drop in pressure

    "The expanding-hot-channel mechanism predicts an initial positive pressure change (an overpressure) while the electrostatic-pressure-relief mechanism predicts an initial negative pressure change (an underpressure)."

Example

More examples

"The expanding-hot-channel mechanism predicts an initial positive pressure change (an overpressure) while the electrostatic-pressure-relief mechanism predicts an initial negative pressure change (an underpressure)."

Etymology

From under- + pressure.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.