underpressure

名词 n.

英文释义

名词 n.
  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).

词形变化

词汇关系

反义词

词源

Etymology tree
Proto-Indo-European *h₁én
Proto-Indo-European *h₁entér
Proto-Indo-European *(H)n̥dʰí
Proto-Indo-European *-ér
Proto-Indo-European *(H)n̥dʰér
Proto-Germanic *under
Proto-West Germanic *undar
Old English under-
Middle English under-
English under-
English pressure
English underpressure
From under- + pressure.
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