An Etymological Dictionary of Astronomy and Astrophysics

Same as → scalar product.

Etymology (EN): O.E. dott “speck, head of a boil,” perhaps related to Norw. dot “lump, knot,” Du. dot “knot, wisp;” cognate with O.H.G. tutta “nipple;” → product.

Etymology (PE): Bastâk, → product; marpeli, → scalar.