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| megabuck |
(informal) one million dollars. [1/2 definitions] |
| megabyte |
a unit of electronic memory capacity equal to 1,048,576 bytes, or approximately one million bytes. |
| megadeath |
a million dead people, as in a nuclear explosion. |
| megahertz |
a unit of frequency equal to one million cycles per second or one million hertz. (abbr.: MHz) |
| megaparsec |
a unit of astronomical distance equal to one million parsecs. |
| megapixel |
a unit equal to one million pixels that is used to measure the resolution of a digital image. |
| megaton |
a unit of power used in measuring the force of nuclear weapons, equal to the explosive force of a million tons of TNT. |
| megawatt |
unit of power equal to one million watts. |
| Mesozoic |
of, relating to, or designating the geological era between the Paleozoic and the Cenozoic, from approximately 220 million to 65 million years ago, when dinosaurs appeared and became extinct and ferns were abundant. [1/2 definitions] |
| MeV |
a unit of energy equal to one million electron-volts. |
| MHz |
abbreviation of "megahertz," a unit of frequency equal to one million cycles per second or one million hertz. |
| mil.2 |
abbreviation of "million." |
| million |
being one million in number. [1/5 definitions] |
| millionaire |
one whose wealth amounts to at least a million dollars, pounds, francs, or the like. |
| Miocene |
of, relating to, or designating the geological epoch between the Oligocene and Pliocene of the Tertiary Period, from approximately 26 million to 5 million years ago, when mammals began to acquire modern characteristics. [1/2 definitions] |
| Mississippian |
of, relating to, or designating the first coal-forming period of the Paleozoic Era, from approximately 350 million to 320 million years ago, when land areas increased and winged insects developed; Lower Carboniferous. [1/4 definitions] |
| multimillion |
combined form of million. |
| multimillionaire |
one whose net assets have a cash value of several million dollars. |
| Oligocene |
of, relating to, or designating the geological epoch between the Eocene and Miocene of the Tertiary Period, from approximately 38 million to 26 million years ago, when mastodons and apes appeared. [1/2 definitions] |
| Ordovician |
of, relating to, or designating the geological period between the Cambrian and Silurian of the Paleozoic Era, from approximately 500 million to 440 million years ago, when marine invertebrate animals were abundant. [1/2 definitions] |
| Paleocene |
of, relating to, or designating the geological epoch at the start of the Tertiary Period, from approximately 65 million to 54 million years ago, when birds and early mammals appeared. [1/2 definitions] |
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