"A"
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
X. Symbol for Reactance.
X. -SERIES. Sets of data telecommunications protocols and interfaces defined by CCITT Recommendations.
X-AXIS. The horizontal axis of a chart or graph. In a gyro, the spin axis of the gyro.
X-BAND. A radio frequency band from 5200MHz to 11,000MHz
Additional Frequency Bands [Obsolete terms].
XC. Symbol Capacitive reactance. [Capacitor Manufacturers]
XENON A rare gas. [Xenon Lamp Manufacturers]
XENON ARC LAMP. A high intensity light that excites xenon gas between two electrodes.
XL. Symbol inductive reactance. [Inductor Manufacturers]
XLR CONNECTOR. A shielded 3-conductor microphone plug. [Connector Manufacturers]
XOFF. An abbreviation for the ASCII transmission-control character meaning “Transmitter off.”
XON. An abbreviation for the ASCII transmission-control character meaning “Transmitter on.”
X-RAY EMISSION. Penetrating radiation similar to light, but with shorter wavelength, that can penetrate human tissue.
XOR. Short for Exclusive-OR, see that term. A logic function and a logic gate [7486 XOR gate].
XNOR. Short for Exclusive-NOR, refer to that term. A logic function and a logic gate [74266 XNOR gate].
XTAL Short for crystal. [Crystal Oscillator Manufacturers]
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