Synonyms and Antonyms for ammonia-clock

1. ammonia clock (n.)

an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule

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2. round-the-clock (adj.)

at all times

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3. clock-watching (n.)

paying excessive attention to the clock (in anticipation of stopping work)

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4. around-the-clock (adj.)

at all times

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5. off-the-clock (adv.)

overtime without extra compensation

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6. ammonia (n.)

a water solution of ammonia

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7. ammonia (n.)

a pungent gas compounded of nitrogen and hydrogen (NH3)

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9. clock (v.)

measure the time or duration of an event or action or the person who performs an action in a certain period of time

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