noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A dihydro derivative of calcein -[2,7-bis[[bis(carboxymethyl)amino]methyl]-6-hydroxy-3-oxo-1,2-dihydroxanthen-9-yl]benzoic acid countable, uncountable

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