online Meaning in the Cambridge English Dictionary
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Meaning of “online” in the English Dictionary

"online" in British English

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onlineadjective [before noun]

uk   /ˈɒn.laɪn/  us   /ˈɑːn.laɪn/
A2 Online ​products, ​services, or ​information can be ​bought or used on the internet: an online ​newspaper/​magazine/​dictionary online ​banking/​shopping
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onlineadverb

uk   /ˌɒnˈlaɪn/  us   /ˌɑːnˈlaɪn/

online adverb (INTERNET)

A2 bought, used, etc. using the internet: Do you like to ​shop online? This ​dictionary went online in 1999.be online to be ​able to use ​email or the internet: I'll ​send you my ​emailaddressonce I'm online.
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online adverb (CONNECTED)

connected to a ​system: The new ​powerstation is ​expected to be online by ​July. When will the new ​factory come online (= ​startproduction)?
(Definition of online from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"online" in American English

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onlineadjective, adverb [not gradable]

 us   /ˈɔnˈlɑɪn, ˈɑn-/ (also on-line)
using a ​computer to ​communicate with other ​computers, or of or about a ​computer that is ​connected to another ​computer: I went online to ​see if I got any ​e-mail. The ​computer isn’t on-line now, so the ​phoneline is ​available.
(Definition of online from the Cambridge Academic Content Dictionary © Cambridge University Press)

"online" in Business English

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onlineadjective [before noun]

uk   us   /ˌɒnˈlaɪn/ INTERNET, IT
available or done on the ​internet: an online account/database/magazine Opening an online ​bankaccount couldn't be easier.online trading/advertising/shopping There has been a ​increase in online ​trading by ​individuals. The ​companybuilt an online presence with its Web ​site. online ​retailers/​investors
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onlineadverb

uk   us   /ˌɒnˈlaɪn/
INTERNET, IT bought, done, or used on the ​internet: All our ​products are readily available online.do/trade/work online The ​chain of 315 ​stores also ​trades online.buy sth/order sth/shop online Shoppers are getting used to ​buying online.apply/book online Compare more than 400 ​creditcards and ​apply online.
be/go online INTERNET, IT to be or become ​connected to the ​internet so that you can use its ​services: I went online to ​look for a ​cheapflight.
come online to be ​connected to a ​system and ​startproduction of ​goods, ​energy, ​services, etc.: A ​gasfieldproducing an ​estimated 20 million ​cubicmeters a day is ​scheduled to come online by the end of next ​year.
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(Definition of online from the Cambridge Business English Dictionary © Cambridge University Press)
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“online” in Business English

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