PCA

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

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.
  3. (medicine) Abbreviation of patient-controlled analgesia.; palliator.

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"