X

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X

Symbol for the Kienböck unit when expressed in quantity; xanthosine; halogen atom; unspecified amino acid (also expressed as Xaa).

X

Symbol for reactance when expressed on ohms.

X

xanthine or xanthosine.

x

/x / abscissa.

X

abbr.
1. Christ (Greek Χριστος, Khristos)
2. Christian
3. or x ex
4. ex dividend
5. or x experimental
6. extra
7.
a. extreme
b. extremely

x

 Symbol for:
1. Abscissa.
2. Mean–statistics.
3. Xylose.

X

Symbol for:
1. Any unknown amino acid.
2. Any unknown quantity.
3. Arithmetic mean–statistics.
4. The term for the axis on a graph.
5. Ecstasy–a designer drug, see there.
6. Exphoria distance–ophthalmology.
7. Female chromosome.
8.  X-ray.
9. Xanthine.
10. Xanthosine.

X

Abbreviation for reactance; xanthosine.

X

Abbreviation for crossbite.

X

symbol, Kienböck's unit (of x-ray exposure).
References in periodicals archive ?
Both of my leading-edge flaps were X'd out, along with my right rudder.
At this point the L AMAD PR (airframe-mounted-accessory drive) and FCS cautions appeared, the HYD 1 needle fluctuated a lot, and the left leading-edge flap (LEF) and right aileron (AIL) were X'd out.
The aircrew immediately discontinued the approach and selected the FCS page to find that the AOA line was X'd out in all four channels.
I told them that I had cautions normally associated with single-engine operation, and also a FLAPS OFF caution with channels 1 and 4 of the left LEF X'd out on the FCS page.