Methemoglobin

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
An oxidized form of hemoglobin, containing ferric rather than ferrous iron, that cannot transport oxygen. countable, uncountable

Etymology

From meta- + haemoglobin.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.