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I'm looking for the antonym of occurrence. I want to use it in this sentence:

Based on the occurrence/[antonym] of signals, decisions will be made.

The context is scientific. I would like to have just one word for this particular sentence.

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up vote 4 down vote accepted

Typical scientific/technical jargon in this kind of sentence is this:




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Seconding presence/absence, occurrence/nonoccurrence makes much less sense in this context. – Sam May 15 '14 at 16:47

I'd suggest absence might be the word you are looking for, in the sense of the fact of being without something.

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Lack might work too. Based on the occurrence or lack of signals, decisions will be made.

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