[ op-tuh-fohn ]
/ ˈɒp təˌfoʊn /
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an electronic device that scans ordinary printed characters and produces combinations of sounds, enabling a blind reader to recognize the characters.
QUIZ YOURSELF ON THE MANY TYPES OF NOUNS
They're everywhere you turn, but can you identify the 10 types of nouns easily? This quiz will test your mettle against singular, plural, concrete, abstract, common, proper, collective, compound, countable, and uncountable nouns!
Question 1 of 7
Shoelaces, rainbow, toothpaste, and haircuts are all what type of noun?
Words nearby optophone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for optophone
It was the optophone, and perhaps you may have seen, or rather heard it.
Glenfield says you're pulling out, but so am not I. I'm for Hubbard and the optophone theory now.
British Dictionary definitions for optophone
/ (ˈɒptəˌfəʊn) /
a device for blind people that converts printed words into sounds
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