(biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
a high gear used at high speeds to maintain the driving speed with less output power
the state of high or excessive activity or productivity or concentration; "Troops are ready to go into overdrive as soon as the signal is given"; "Melissa's brain was in overdrive"
drive or work too hard; "The teacher is overworking his students"; "Overdriving people often suffer stress"
a sound or television recording (e.g., from a broadcast to a tape recording)
something written, especially copied from one medium to another, as a typewritten version of dictation
(genetics) the organic process whereby the DNA sequence in a gene is copied into mRNA; the process whereby a base sequence of messenger RNA is synthesized on a template of complementary DNA
manual turning of a fetus in the uterus (usually to aid delivery)
something a little different from others of the same type; "an experimental version of the night fighter"; "a variant of the same word"; "an emery wheel is the modern variation of a grindstone"; "the boy is a younger edition of his father"
an interpretation of a matter from a particular viewpoint; "his version of the fight was different from mine"