>At 00:31 -0500 04/12/2001, [EMAIL PROTECTED] wrote: > >>Yes, you are all right: the character used in (as it turns out) >>the medical field to mean "with" is, in fact, c-overbar and not c-underbar. >>In Unicode we would say U+0063 U+0305. > >The overbar being a flat form of tilde, which in medieval hands were >used to indicate an omitted m or n following.
I believe there is also a (medical) s-overbar abbreviation for "without" (latin sin, no doubt) and an ss-overbar abbreviation for "one-half." Presumably these are only used in handwriting by specially trained people.