expander

[ ik-span-der ]

Phonetic (Standard)IPA

noun

a person or thing that expands.
Also expandor. Electronics. a transducer that produces an output with a range of voltages greater than that of the input signal. Compare compressor ( def 5 ).

expander

/ ɪkˈspændə /

a device for exercising and developing the muscles of the body
a chest expander
an electronic device for increasing the variations in signal amplitude in a transmission system according to a specified law Compare compressor compander

First recorded in 1860–65; expand + -er ¹

Doctors also inserted a “tissue expander” that would spread out the healthy skin on his head.

We furnish a ten cable chest expander which is adjustable to give resistance up to 200 lbs.

Loosen up and continue till you have turned the expander entirely around.

To repair a leaky flue you should have a flue expander and a calking tool, with a light hammer.

Then force the expander into the leaky flue, bringing the shoulder well up against the end of the flue.

Then turn the expander a quarter round, and drive in the pin again.

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