American English

Definition of zero verb from the Oxford Advanced American Dictionary

 

zero

 verb
verb
NAmE//ˈzɪroʊ//
 
, NAmE//ˈziroʊ//
 
zero somethingVerb Forms present simple I / you / we / they zero
 
,
 
he / she / it zeroes
 
,
 
past simple zeroed
 
,
 
-ing form zeroing
 
,
 
 
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to turn an instrument, control, etc. to zero Phrasal Verbszero in on somebody/something
See the Oxford Advanced Learner's Dictionary entry: zero