Category: M
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Minicourse
A short, usually narrowly focused, instructional experience. A short course, as opposed to one lasting a full school term, such as a one-to-three-week course in the period between two college semesters.
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Mineral acid
A strong acid such as sulfuric, nitric, or hydrochloric.
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Mind-expansion
A hallucinogenic or psychedelic state characterized by heightened awareness, an enhanced sense of clarity, and a general alteration of the conscious state.
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Mind
Pertaining to the brain. The part of the brain which controls memory, consciousness or reasoning. The seat of consciousness of the human brain. The mind understands, reasons and initiates action and is also the source of emotions. This is a simplistic definition for a concept that has been and continues to be the subject of…
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Millivolt
One thousandth of a volt.
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Milliroentgen
One thousandth of a roentgen.
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Millimicron
A thousandth part of a micron or a millionth of a millimeter. An obsolete term for distance in the metric system, usually applied to light wavelength.
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Millimeter (mm)
A metric unit of length that is equivalent to 1/10 centimeter (cm).
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Milliequivalent (mEq)
A measure of the chemical combining power of electrolytes in solution. One has the chemical combining power of 1 mg of hydrogen and is usually expressed in terms of the number per liter. A measurement of the concentration of electrolytes in solution that is determined by multiplying the milligrams per liter by the valence of…
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Milk duct
The connections between the mammary glands and the nipple of the female breast mammary glands.