noun, plural: bases

(1) (molecular biology) The nucleobase of a nucleotide involved in base pairing, as of a DNA or RNA polymer

(2) (anatomy) The lowest or bottom part of a plant or animal organ closest to the point of attachment

(3) (chemistry) A water-soluble compound that reacts with acid and forms salt

(4) (chemistry) A substance capable of donating a pair of electrons to an acid; substance that accepts protons (hydrogen ions)

(5) (pharmacy) Fundamental ingredient or element in medication

(6) (general) The basis of a logical thought, principle or theory

(7) (general) The lowest, supporting part of a structure or an object; foundation

(8) (general) The starting point


Word origin: Old French base, from Latin basis, from Greek basis

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