noting or pertaining to a logarithmic function with a normal distribution, or the distribution of a random variable for which the logarithm of the variable has a normal distribution.
log·nor·mal (lôg-nôr'məl, lŏg-) adj.
Mathematics Of, relating to, or being a logarithmic function with a normal distribution. log'nor·mal'i·ty (-māl'ĭ-tē) n., log·nor'mal·ly adv.