methemoglobin en · NOUN
Etymology
Etymology tree Proto-Indo-European *me Proto-Indo-European *meth₂? Ancient Greek μετᾰ́ (metắ) Ancient Greek μετᾰ- (metă-)lbor. English meta- Ancient Greek αἷμᾰ (haîmă) Ancient Greek αἱμο- (haimo-) English haemo- Latin globus Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. German -in German Globinbor. English globin English haemoglobin English methemoglobin From meta- + haemoglobin.
Meanings
- (countable, uncountable) An oxidized form of hemoglobin, containing ferric rather than ferrous iron, that cannot transport oxygen.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| methemoglobins | Number=Plur | lexicographic | |
| methæmoglobin | alternative, archaic | lexicographic | |
| methaemoglobin | alternative | lexicographic |