Mega

Science / Chemistry / Mega: SI prefix meaning 'multiply by 106'. For example, 3.2 MJ is 3200000 J.

Omega Block

Science / Weather / Omega Block: A warm high aloft which has become displaced and is on the polarward side of the jet stream. It frequently occurs in the late winter and early spring in the Northern Hemisphere. The name comes from it MORE

Megaspores

Science / Biology / Megaspores: Four haploid cells produced by meiosis in the ovule of a fiower. Usually, three of these cells degenerate, with the remaining cell becoming the female gametophyte phase of the plants life cycle. Large MORE

Megapixel (MP)

Technology / Digital Cameras / Megapixel (MP): One million pixels. The more megapixels a camera has, the higher its maximum resolution — and the better its potential picture quality. MORE

Megacycle Per Second (Mc)

Technology / Radar / Megacycle Per Second (Mc): A frequency of one million cycles per second. The equivalent term MEGAHERTZ (MHz) is now coming into more frequent use. MORE

Megaspore Mother Cell

Science / Biology / Megaspore Mother Cell: Cells that undergo meiosis to produce megaspores. MORE

Megabyte (MB)

Technology / Computers / Megabyte (MB): About a million bytes of space. Actually it's 2 raised to the 20th power or 1,048,576 bytes of space. MORE

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