Know how to use "fewer" and "less"? Find out.
also distension, early 15c., from Middle French distension and directly from Latin distensionem (nominative distensio, distentio), noun of action from past participle stem of distendere (see distend).
distention dis·ten·tion or dis·ten·sion (dĭ-stěn'shən)
The act of distending or the state of being distended.