Definition of "carboxylate" [car•box•yl•ate]

• Any salt or ester of a carboxylic acid. (noun)
• To form a carboxyl group by introduction of carbon dioxide (verb)
• To react with a carboxylic acid (verb)

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• "The restaurant is dedicated to the concept of umami, the savory, meaty "fifth taste" that may be technically defined as the carboxylate anion of glutamic acid, which is to say the dash of soy sauce in your stir-fry or the catsup you like with your fries."
• "Phagocytosis of the RTHDF fibroblasts was studied using carboxylate-modified polystyrene fluorescent latex beads with a diameter of 1.0 µm (Sigma-Aldrich) as described by Ganassin et al. [63]."
• "In the alpha amino acids, the amino and carboxylate groups are attached to the same carbon atom, which is called the αcarbon."