in·duc·ible in-'d(y)ü-sə-bəl adj capable of being formed, activated, or expressed in response to a stimulus esp. of a molecular kind: as
a) formed by a cell in response to the presence of its substrate <\inducible enzymes> compare constitutive (1a)
b) activated or undergoing expression only in the presence of a particular molecule <an \inducible promoter that turns on its genes only in the presence of lactose>
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in·du·ci·ble (in-dooґsĭ-bəl) produced because of stimulation by an inducer; cf. constitutive.Medical dictionary. 2011.