ˈ ̷ ̷ ̷ ̷ at iso- +ˌkīm noun
( -s )
Etymology: probably modification (influenced by Greek cheimōn winter) of French isochimène, from is- + -chimène (from Greek cheimainein to be stormy, be winter); akin to Greek cheimōn winter — more at hibernate
: a line joining points on the earth's surface having the same mean winter temperature — compare isothere