n. [ Cf. F. intromission. See Intromit. ] [ 1913 Webster ]
Four populations [ of the vlei rat ] varied in a number of parameters of copulatory behavior, such as latency to first mount, number of intromissions per series, and latency to intromission after first ejaculation. Edith Dempster (African Small Mammals Newsletter, Issue No. 16, May 1996, Laboratoir Mammifères & Oiseaux, Paris) [ PJC ]
n. [ L. omissio: cf. F. omission. See Omit. ]
The most natural division of all offenses is into those of omission and those of commission. Addison. [ 1913 Webster ]