curvature noun [U or C]. âº the âstate of being âcurved or âbent: the curvature of the earth's âsurface a âpronounced curvature of the âspine. (Definition of curvature from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press). See all translations.
The Apple Watch uses your age, gender, height and weight, in addition to the GPS in your iPhone and data from its own built-in sensors, to calculate both your resting calories and ones you burn during exercise.
An attendee tries out an Apple Watch following an Apple event in San Francisco, California March 9, 2015.REUTERS/Robert Galbraith. Apple says the watch will be able to last for 18 hours on a single charge, which varies depending on how you use it. That means youâll have to charge it every night. Battery life was a big concern for Apple. Initial reports suggested it wouldnât be able to make it through a day, which would be troublesome.