H

Ⅰ.

H [1] (also h) ► NOUN (pl. Hs or H's) 1) the eighth letter of the alphabet. 2) denoting the next after G in a set.

Ⅱ.

H [2] ► ABBREVIATION 1) (of a pencil lead) hard. 2) height. 3) Physics henry(s).

► SYMBOL ▪ the chemical element hydrogen.