hydrogen ion


noun

ionized hydrogen of the form H+, found in aqueous solutions of all acids.

Origin of hydrogen ion

First recorded in 1895–1900

Example sentences from the Web for hydrogen ion

British Dictionary definitions for hydrogen ion

hydrogen ion

noun

an ionized hydrogen atom, occurring in plasmas and in aqueous solutions of acids, in which it is solvated by one or more water molecules; proton. Formula: H +
an ionized hydrogen molecule; hydrogen molecular ion. Formula: H 2 +