Definition of program clock
: a master clock that rings bells or other signals at predetermined times
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
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- Why is there a 'd' in 'fridge' but not in 'refrigerator'?
- 'All Intensive Purposes' or 'All Intents and Purposes'?
- Is Singular 'They' a Better Choice?