expander

expander [ik-span-der] EXAMPLES|WORD ORIGIN noun a person or thing that expands. 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). Liberaldictionary.com

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Origin of expander First recorded in 1860–65; expand + -er1 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for expander Historical Examples of expander

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

Farm Engines and How to Run Them

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The air does not pass the expander until after it has gone through the boiler already mentioned.

Scientific American Supplement No. 275

Various

Finally remove the expander, and use the calking tool to bead the end.

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

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

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British Dictionary definitions for expander expander noun a device for exercising and developing the muscles of the bodya chest expander an electronic device for increasing the variations in signal amplitude in a transmission system according to a specified lawCompare compressor (def. 5), compander Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012