| microevolution |
Evolutionary change within a single species through time.
Ãâó: highered.mcgraw-hill.com/sites/0072863129/student_...
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| micrometer |
(Also called micron; abbreviated m.) A unit of length equal to one-millionth of a meter or one-thousandth of a millimeter. The micrometer is a convenient length for measuring wavelengths of infrared radiation, diameters of atmospheric particles, etc.
Ãâó: amsglossary.allenpress.com/glossary/browse
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| microwave |
Electromagnetic radiation having wavelengths between approximately 1 mm and 1 m (corresponding to 0.3- and 300-GHz frequency) bounded on the short-wavelength side by far infrared (< 1 mm) and on the long-wavelength side by very high frequency radio waves (> 1 m). Passive systems operating at these wavelengths are sometimes called passive microwave systems. ...
Ãâó: amsglossary.allenpress.com/glossary/browse
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| micron |
(Gr. mikros, small) A unit of distance: 10 -6 m; 0.001 mm. Symbol: mm.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E16.htm
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| micropyle |
1. A small opening in the surface of a plant ovule through which the pollen tube passes prior to fertilization.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E16.htm
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