locant

[化] 位次

发音

US /ˈloʊkənt/

词形变化

locants 复数 locants

释义与例句

n.
  1. 1.

    That part of the name of a compound (often a letter or number) that describes the position of an atom, residue or functional group.

    化学

    The 2 in hexan-2-one is a locant.

词源

By surface analysis, loc(us) + -ant

来源：wiktionary