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isobar

Browse the Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

isobar

Main Entry:: iso·bar
Pronunciation:: \ˈī-sə-ˌbär\
Function:: noun
Etymology:: International Scientific Vocabulary is- + -bar (from Greek baros weight); akin to Greek barys heavy — more at grieve
Date:: circa 1864

1 : an imaginary line or a line on a map or chart connecting or marking places of equal barometric pressure 2 : one of two or more atoms or elements having the same atomic weights or mass numbers but different atomic numbers

[isobar illustration]

Learn more about "isobar" and related topics at Britannica.com

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