Medical Definition of First-order reaction

1. A reaction the rate of which is proportional to the concentration of the single substance undergoing change; radioactive decay is a first-order process, defined by the equation -(dN/dt)=kN, where N is the number of atoms subject to decay (reaction), t is time, and k is the first-order decay (reaction) constant, i.e., the fraction of all atoms decaying per unit of time. See: decay constant, order. (05 Mar 2000)



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Lexicographical Neighbors of First-order Reaction

first-degree burn
first-degree burns
first-degree murder
first-floor
first-footing
first-generation
first-half
first-hand
first-mover
first-name
first-nighter
first-order
first-order correlation
first-order kinetics
first-order logic
first-order reaction (current term)
first-order spectrum
first-party
first-passage time
first-past-the-post
first-person
first-person plural
first-person plurals
first-person shooter
first-person shooters
first-person singular
first-person singulars
first-place finish
first-rate
first-rater

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