isanomal

[ ahy-suh-nom-uhl ]
/ ˌaɪ səˈnɒm əl /

noun Meteorology.

a line on a map or chart connecting points having an equal anomaly of a meteorological quantity.

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Compare isabnormal.

Origin of isanomal

1880–85; is- + -anomal, back formation from anomalous

OTHER WORDS FROM isanomal

is·a·nom·a·lous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020