(bound form) omen; to foretell; million; mega-; (Tw) trillion; tera-; (old) billion

omen; portent; sign

megacycle (MC), equals 1,000,000 Hz

megawatt

megahertz

megabyte (2^20 or approximately a million bytes)

megawatt-hour

megawatt

mega electron volt (MeV) (unit of energy equal to 1.6 x 10⁻¹³ joules)