PCA

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English[edit]

Proper noun[edit]

PCA

  1. (linguistics) Abbreviation of Proto-Central Algonquian.

Noun[edit]

PCA ‎(plural PCAs)

  1. (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).
  2. (statistics) Abbreviation of principal components analysis.

See also[edit]

  • (aviation): PIO (pilot-induced oscillation)

Spanish[edit]

Etymology[edit]

From P compuestas amarillas.

Proper noun[edit]

PCA

  1. (botany) DYC; "damn yellow composite"