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Definition 2024
PCA
PCA
English
Proper noun
PCA
- (linguistics) Abbreviation of Proto-Central Algonquian.
Noun
PCA (plural PCAs)
- (aviation) Abbreviation of propulsion controlled aircraft (system/unit).: an aircraft with a control system with two or more engines arrayed abreast, allowing descent, ascent, turns by adjusting the throttle control to the engines}} (sometimes used attributively).
- (statistics) Abbreviation of principal components analysis.
- (medicine) Abbreviation of patient-controlled analgesia.; palliator.
See also
- (aviation): PIO (pilot-induced oscillation)