Medical Dictionary


noun \ˈbās\
plural bas·es \ˈbā-səz\

Medical Definition of BASE

:  that portion of a bodily organ or part by which it is attached to another more central structure of the organism <the base of the thumb>
a :  the usually inactive ingredient of a preparation serving as the vehicle for the active medicinal preparation <the fatty base of an ointment> b :  the chief active ingredient of a preparation—called also basis
a :  any of various typically water-soluble and bitter tasting compounds that in solution have a pH greater than 7, are capable of reacting with an acid to form a salt, and are molecules or ions able to take up a proton from an acid or are substances able to give up an unshared pair of electrons to an acid—compare alkali b :  any of the five purine or pyrimidine bases of DNA and RNA that include cytosine, guanine, adenine, thymine, and uracil
based \ˈbāst\ adjective
July 04, 2015
stringent Hear it
rigorous, strict, or severe
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