Nearby Words

expander

[ik-span-der]

ex·pand·er

[ik-span-der]
noun
1.
a person or thing that expands.
2.
Also, ex·pan·dor. Electronics. a transducer that produces an output with a range of voltages greater than that of the input signal. Compare compressor (def. 5).

Origin:
1860–65; expand + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Expander is always a great word to know.
So is alternating voltage. Does it mean:
total opposition to alternating current by an electric circuit
voltage that reverses direction in regular cycles
Collins
World English Dictionary
expander (ɪkˈspændə)
 
n
1.  a device for exercising and developing the muscles of the body: a chest expander
2.  compressor Compare compander an electronic device for increasing the variations in signal amplitude in a transmission system according to a specified law

Collins English Dictionary - Complete & Unabridged 10th Edition
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