complete consistent metric system of units for scientists (with basic quantities of length, time, electric current, temperature, luminous intensity, amount of substance and mass)
[ bE ] (verb.) before 12th century. Middle English, from Old English bEon; akin to Old High German bim am, Latin fui I have been, futurus about to be, fieri to become, be done, Greek phynai to be born, be by nature, phyein to produce.