noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A small globular protein, containing a heme group, that carries oxygen to muscles. countable, uncountable
2. 2
   a hemoprotein that receives oxygen from hemoglobin and stores it in the tissues until needed wordnet

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