- S
- S1(also s)noun (plural Ss or S's)1》 the nineteenth letter of the alphabet.2》 denoting the next after R in a set of items, categories, etc.————————S2abbreviation1》 (chiefly in Catholic use) Saint.2》 siemens.3》 small (as a clothes size).4》 South or Southern.5》 Sweden (international vehicle registration).symbol1》 the chemical element sulphur.2》 Chemistry entropy.
English new terms dictionary. 2014.