pronic

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Being the product of two consecutive integers. not-comparable
    — 1478 - Pierpaolo Muscharello, Algorismus p.163. Pronic root is as if you say, 9 times 9 makes 81. And now take the root of 9, which is 3, and this 3 is added above 81: it makes 84, so that the pronic root of 84 is said to be 3.

词源

Apparently from New Latin pronicus, a misspelling of Latin promicus, from Ancient Greek προμήκης (promḗkēs, “elongated, oblong”), but the spelling has been pronic from its earliest known occurrence in English (Leonhard Euler, Opera Omnia, series 1, volume 15).
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