prosthaphæresis

See also: prosthaphaeresis

English

Etymology

From Ancient Greek προσθαφαίρεσις (prosthaphaíresis), from πρόσθεν (prósthen, “before”) plus ἀφαίρεσις (aphaíresis, “taking away”).

Noun

prosthaphæresis (plural prosthaphæreses)

  1. A method of computing by means of a table of natural trigonometrical functions, without multiplication.
  2. A reduction to bring the apparent place of a moving point or planet to the mean place.

References

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