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onion
onion dome
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onium ion
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onlay
online
online debit card
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onload
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online

on·line [ òn ln ] or on-line [ òn ln ]


adjective 
Definition:
 
1. connected via computer: attached to or available through a central computer or computer network.
See also  off-line


2. directly connected to measurable process: describes an instrument or sensor that is connected directly to a process being measured, thus obviating the need to take samples for analysis in a laboratory or elsewhere

3. U.S. ongoing: currently going on or being done



adverb 
Definition:
 
while connected to computer: while connected to a central computer or computer network

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