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duplex lock
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noun
a lock capable of being opened either by a master key or a change key, each operating its own mechanism.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Words nearby duplex lock
duplex apartment, duplex chain, duplexer, duplex house, duplex kidney, duplex lock, duplex process, duplex pump, duplex uterus, duplicable, duplicate
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022