NCIt definition : A substance that dissociates to give hydroxide ions in aqueous solutions; a substance
capable of donating a pair of electrons (to an acid) for the formation of a coordinate
covalent bond; a substance whose molecule or ion can combine with a proton (hydrogen
ion); a substance that combines with acids to form salts.;
Alternative definition : NCI-GLOSS: In chemistry, a substance that can accept hydrogen ions in water and can
neutralize an acid. Bases feel soapy or slippery on the skin and they can turn certain
dyes blue. An example of a base is sodium hydroxide. Basicity is measured on a scale
called the pH scale. On this scale, a pH value of 7 is neutral, and a pH value of
more than 7 to 14 shows increasing basicity.;
ChEBI ID : CHEBI:22695;
Codes from synonyms : CDR0000643006; CDR0000643003; CDR0000689975;
Currated CISMeF NLP mapping