Pronunciation: ( ˌ ) ī - ' sa-l ə - ˌ bär
Function: noun
Etymology: International Scientific Vocabulary is- + all- + -bar (as in isobar )
Date: 1910
: an imaginary line or a line on a chart connecting the places of equal change of atmospheric pressure within a specified time
– is · al · lo · bar · ic \ ˌ ī - ˌ sa-l ə - ' bär-ik, - ' ber-, - ' ba-rik \ adjective