ˈ ̷ ̷ ̷ ̷ˌthi(ə)r noun
( -s )
Etymology: French isothère, from is- + -thère (from Greek theros summer); akin to Greek thermos hot
: a line on a map or chart of the earth's surface connecting points having the same mean summer temperature
ˈ ̷ ̷ ̷ ̷ˌthi(ə)r noun
( -s )
Etymology: French isothère, from is- + -thère (from Greek theros summer); akin to Greek thermos hot
: a line on a map or chart of the earth's surface connecting points having the same mean summer temperature
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012