Definition of as conjunction from the Oxford Advanced Learner's Dictionary



    BrE BrE//əz//
    ; NAmE NAmE//əz//
    ; BrE strong form BrE//æz//
    ; NAmE strong form NAmE//æz//
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  1. 1  while something else is happening He sat watching her as she got ready. As she grew older she gained in confidence. Language BankprocessDescribing a process This diagram illustrates the process of paper-making./This diagram shows how paper is made. First/First of all, logs are delivered to a paper mill, where the bark is removed and the wood is cut into small chips. Next/Second, the wood chips are pulped, either using chemicals or in a pulping machine. Pulping breaks down the internal structure of the wood and enables/allows the natural oils to be removed. Once/After the wood has been pulped, the pulp is bleached in order to remove impurities. /…is bleached so that impurities can be removed. The next stage is to feed the pulp into the paper machine, where it is mixed with water and then poured onto a wire conveyor belt. As the pulp travels along the conveyor belt, the water drains away. This causes the solid material to sink to the bottom, forming a layer of paper. At this point the new paper is still wet, so it is passed between large heated rollers, which press out the remaining water and simultaneously dry the paper/…dry the paper at the same time. The final stage is to wind the paper onto large rolls./Finally, the paper is wound onto large rolls.
  2. 2  in the way in which They did as I had asked. Leave the papers as they are. She lost it, just as I said she would. Which Word?as / likeYou can use both as and like to say that things are similar. Like is a preposition and is used before nouns and pronouns:He has blue eyes like me. As is a conjunction and an adverb and is used before a clause, another adverb or a clause beginning with a preposition:She enjoys all kinds of music, as I do. Repeat these five steps, as in the last exercise. In informal English like is frequently used as a conjunction or an adverb instead of as:Nobody understands him like I do. I don’t want to upset him again like before. It is also used instead of as if:It looks like we’re going to be late. These uses of like are common but are not considered correct in formal written English.You will find more help on the use of as and like in the entries for particular verbs, such as act, behave, etc.
  3. 3  used to state the reason for something As you were out, I left a message. She may need some help as she's new.
  4. 4used to make a comment or to add information about what you have just said As you know, Julia is leaving soon. She's very tall, as is her mother.
  5. 5used to say that in spite of something being true, what follows is also true synonym though Happy as they were, there was something missing. Try as he might (= however hard he tried), he couldn't open the door.
  6. Word OriginMiddle English: reduced form of Old English alswā ‘similarly’ (see also).Idioms in contrast with something They got 27% of the vote as against 32% at the last election. used to say that something may happen at some time in the future, but only when something else has happened We'll decide on the team as and when we qualify. I'll tell you more as and when (= as soon as I can).
    as for somebody/something
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     used to start talking about somebody/something synonym regarding As for Jo, she's doing fine. As for food for the party, that's all being taken care of.
    used to show the time or date from which something starts Our phone number is changing as from May 12.  in a way that suggests something He behaved as if nothing had happened. It sounds as though you had a good time. It's my birthday. As if you didn't know! ‘Don't say anything.’ ‘As if I would!(= surely you do not expect me to) considering the present situation; as things are We were hoping to finish it by next week—as it is, it may be the week after. I can't help—I've got too much to do as it is (= already). used when a speaker is giving his or her own impression of a situation or expressing something in a particular way Teachers must put the brakes on, as it were, when they notice students looking puzzled.
    as to something, as regards something
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    used when you are referring to something As to tax, that will be deducted from your salary.
     until now or until a particular time in the past an as yet unpublished report As yet little was known of the causes of the disease. used as a comment on something that you have just said He smiled and I smiled back. As you do.
    (you, etc.) may/might as well be hanged/hung for a sheep as (for) a lamb
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    (saying) if you are going to be punished for doing something wrong, whether it is a big or small thing, you may as well do the big thing
See the Oxford Advanced American Dictionary entry: as