Your local forecast office is. Damaging winds, hail, perhaps a tornado or two will be possible from the lower Great Lakes into the Ohio Valley. Heavy rain and flooding are possible in the southern Plains and central Mississippi Valley. Elsewhere, heavy snow will impact the upper elevations of the northern and central Rockies. Read More >.
Define auto-. auto- synonyms, auto- pronunciation, auto- translation, English dictionary definition of auto-. or aut- pref. 1. Self; same: autogamy. 2. Automatic: autopilot. or sometimes before a vowel combining form 1. self; same; of or by the same one:...
word-forming element meaning self, one's own, by oneself, from Greek auto-self, one's own, combining form of autos self, same, of unknown origin. Before a vowel, aut-; before an aspirate, auth-. In Greek also used as a prefix to proper names, e.g. automelinna Melinna herself. The opposite prefix would be allo-.