isabnormal

noun is·abnormal \¦īs also ¦īz+\
variants: or

isoabnormal

\¦ī(ˌ)sō also -)zō+\

Definition of isabnormal

  1. :  an imaginary line or a line on a chart that connects or marks places on the surface of the earth having equal differences in a given time from the normal temperature of these places or that indicates differences between the calculated and actual temperatures of the different parallels of latitude

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Origin and Etymology of isabnormal

is- + abnormal, adjective


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