isotac

noun
iso·​tac
plural -s

Definition of isotac

: an equiglacial line on a map or chart connecting points where ice melts at the same time in spring

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History and Etymology for isotac

is- + -tac (from Greek takēnai to melt, be dissolved, passive aortic infinitive of tēkein to melt, dissolve)

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Dictionary Entries Near isotac

isostructural

isotac

isotach

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Cite this Entry

“Isotac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isotac. Accessed 5 Aug. 2021.

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