Reciprocal - in Science and Technology

In Science and Technology

  • Reciprocal length, a measurement used in science
  • Reciprocal lattice, a basis for the dual space of covectors, in crystallography
  • Reciprocating oscillation in physical wave theory
  • Reciprocating engine or piston engine
  • Reciprocal aircraft heading, 180 degrees (the opposite direction) from a stated heading

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