isopor

noun

iso·​por
plural -s
: an imaginary line or a line on a map of the earth's surface connecting points of equal annual change in one of the magnetic elements

Word History

Etymology

is- + -por (from Greek poros passage, path)

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Cite this Entry

“Isopor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isopor. Accessed 8 Nov. 2024.

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