direction cosine

noun Mathematics.

the cosine of the angle made by a given vector and a coordinate axis.

Nearby words

  1. directed verdict,
  2. directed-energy device,
  3. directing,
  4. direction,
  5. direction angle,
  6. direction finder,
  7. direction number,
  8. directional,
  9. directional derivative,
  10. directional drilling

Origin of direction cosine

First recorded in 1890–95 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019