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Mylar capacitor • myriametric waves 465
Mylar capacitor A capacitor in which the dielectric
film is Mylar.
Mylar tape Magnetic recording tape using a Mylar
film as the substrate.
mym Abbreviation of MYRIAMETER.
myoelectricity 1. Bioelectric pulses of 10- to
1000-mV amplitude produced by muscular activity
and detectable by electrodes attached to the
skin. Also see ELECTROMYOGRAM, ELEC-
TROMYOGRAPH, and ELECTROMYOGRAPHY. 2.
The study of phenomena, as defined in 1.
myogram See ELECTROMYOGRAM.
myograph See ELECTROMYOGRAPH.
myography See ELECTROMYOGRAPHY.
myriameter Abbreviation, mym. A metric unit of
linear measure equal to 10 kilometers (10 4 meters).
myriametric waves British designation for electromagnetic
energy having wavelengths from
100 kilometers down to 10 kilometers, corresponding
to frequencies from 3 kHz up to
30 kHz.