subformation

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English[edit]

Etymology[edit]

sub- +‎ formation

Noun[edit]

subformation (plural subformations)

  1. A subunit of a formation; a subsidiary formation.
    moving five subformations into place before the attack
  2. (geology) A formation (of rock) within a larger formation.
  3. (mathematics) A formation that is a subset of a larger formation.
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