megatonmeg‧a‧ton /ˈmeɡətʌn/ noun [countable] 
a five megaton atomic bomb
EXAMPLES FROM THE CORPUS
- Each contained fifteen megatons of high explosive.
- Even if it were only a dozen, they could with megaton bombs inflict widespread devastation.
- Explosive energies in the kiloton to megaton range are possible.
- From inside the car came the deep bass rumble of a two megaton audio system.
- The third largest event in this run, the 27 megaton blast, occurs about every seven hundred years.
- The Western hemisphere would soon be in range of and vulnerable to Soviet intercontinental ballistic missiles, carrying megaton warheads.
WORD SETS
acre, nounacreage, nounavoirdupois, nounbaker's dozen, nounbalance, nounbarometer, nounbaseline, nounbasin, nounbaud rate, nounbearing, nounbecquerel, nounblack box, nounboiling point, nounbottle, nounbox, nouncalculator, nouncalibrate, verbcalibration, nouncc, centi-, prefixcentimetre, nouncircumference, nouncl, clock, verbcm, cu, cubic, adjectivecubit, nouncup, nouncupful, nouncwt, daylight saving time, noundeci-, prefixdecibel, noundecimalization, noundeflection, noundegree, noundensity, noundepth, noundimension, noundipstick, noundisplacement, noundoz., noundozen, numberelevation, nounfactor, nounfathom, nounfl oz, fluid ounce, nounfoot, nounft, g, gage, noungal, gallon, noungauge, noungauge, verbGB, Geiger counter, noungigabyte, noungill, noungirth, noungm, graduated, adjectivegraduation, noungrain, noungram, noungramme, noungrid, noungross, adjectivehandful, nounhectare, nounhertz, nounhigh, adjectivehundredweight, nounimpedance, nounimperial, adjectiveinch, nounindicator, nouninstrument, nounjoule, nounkarat, nounkg, kilo, nounkilo-, prefixkilogram, nounkilometre, nounkm, knot, nounl, latitude, nounlb, league, nounlength, nounlight year, nounliter, nounlitre, nounlow water mark, nounmax, nounmaximum, adjectivemean, adjectivemeasure, verbmeasure, nounmedian, nounmedium, adjectivemegaton, nounmelting point, nounmental age, nounmeter, nounmeter, verb-meter, suffixmetre, noun-metre, suffixmetric, adjectivemetrication, nounmetric ton, nounmg, MHz, microsecond, nounmile, nounmillennium, nounmilli-, prefixmillibar, nounmilligram, nounmillilitre, nounmillimetre, nounminus, adjectiveminute, nounml, mpg, mph, nano-, prefixnanosecond, nounnautical mile, nounounce, nounoverweight, adjectiveoz, pace, verbpart, nounpedometer, nounpint, nounplus, adjectivepoint, nounpound, nounpunnet, nounqt, quantify, verbquart, nounradioactive dating, nounradius, nounrain gauge, nounread, verbreading, nounrecord, verbreset, verbrev, nounrotation, nounrpm, rule, nounruler, nounscale, nounsea level, nounsea mile, nounseismograph, nounsensor, nounset square, nounsextant, nounsnowfall, nounsoundings, nounsq., subsonic, adjectivesundial, nountherm, nountimberline, nountog, nounton, nountonnage, nountonne, nountroy weight, noununit, nounvoltmeter, nounvolume, nounwatch, nounwatt, nounwattage, nounweighbridge, nounweight, nounwidth, nounwt., yard, nounyardage, nounyardstick, nounyd, zero, number
COLLOCATIONS FROM THE ENTRY a five megaton atomic bomb
a unit for measuring the power of an explosive, equal to the power of one million tons of TNT (=a powerful explosive): a five megaton atomic bomb a five megaton atomic bomb