1.1
- second(s).同SECOND或seconds.
1.2
- Law section (of an act).【律】（条例的）款, 项。
1.3
- shilling(s).同SHILLING或shillings.
1.4
- Grammar singular.【语法】同SINGULAR.
1.5
- Chemistry solid.【化】同SOLID.
1.6
- (in genealogies) son(s).（家谱图中）同SON或sons.
1.7
- succeeded.同succeeded.
1.8
- Chemistry denoting electrons and orbitals possessing zero angular momentum and total symmetry【化】具有零角动量和全对称的电子和轨道的：
s-electrons.
s电子。
ORIGIN: s from sharp, originally applied to lines in atomic spectra.
- (in mathematical formulae) distance（数学公式中的）距（离）。