(字母表中亦作h)
(pl. Hs 或H's)
1
- the eighth letter of the alphabet英语字母表中第八个字母。
1.1
- denoting the next after G in a set of items, categories, etc.H项, H类（一组项目、分类中的第八位）。
1.2
h
Chess denoting the file on the right-hand edge of the board, as viewed from White's side【棋】（执白方的）最右列。
2
H
a shape like that of a capital.H形。
3
H
Music (in the German system) the note B natural【乐】（德国音符系统中的）本位B.
1
- hard (used in describing grades of pencil lead).用于表示铅笔芯硬度同HARD:
a 2H pencil.
2H铅笔。
1.1
- height (in giving the dimensions of an object).［用于描述物体尺寸］同HEIGHT.
1.2
- Physics henry(s).【物理】同HENRY或henrys.
1.3
- informal heroin.〈非正式〉同HEROIN.
1.4
- Hungary (international vehicle registration).同HUNGARY（国际车辆注册用语）。
1.5
- Brit. (on signs in the street) hydrant.〈英〉［用于道路标志］同HYDRANT.
1
- Chemistry enthalpy【化】焓。
1.1
- the chemical element hydrogen（化学元素）氢。
1.2
- Physics magnetic field strength【物理】磁场强度。