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scientific          
    1    scientific  
    Scientific is used to describe things that relate to science or to a particular science.
        Scientific research is widely claimed to be the source of the high standard of living in the US.
        ...the use of animals in scientific experiments.
        ...scientific instruments.
    ADJ: usu ADJ n  
    
    ?scientifically  
        ...scientifically advanced countries.
    ADV  
    
    2    scientific  
    If you do something in a scientific way, you do it carefully and thoroughly, using experiments or tests.
        It's not a scientific way to test their opinions.
        ...the scientific study of capitalist development.
    ADJ-GRADED: usu ADJ n  
    = methodical  
    ?scientifically  
        Efforts are being made to research it scientifically.
    ADV-GRADED  
    = methodically  
(c) HarperCollins Publishers.

aspect          
    1    aspect   aspects  
    An aspect of something is one of the parts of its character or nature.
        Climate and weather affect every aspect of our lives.
        He was interested in all aspects of the work here.
        Monroe described the financial aspect as crucial.
    N-COUNT: usu with supp  
    
    2    aspect   aspects  
    The aspect of a building or window is the direction in which it faces. (FORMAL)
        The house had a south-west aspect.
    N-COUNT: usu sing, usu with supp  
    
    3    aspect  
    If something begins to have a new aspect, it begins to have a new appearance or quality.
        Our journey had taken on a new aspect. The countryside was no longer familiar.
        The snowy street, like the church, assumed a dumb, lifeless aspect.
    N-SING: with supp  
    = outlook  
    4    aspect  
    In grammar, aspect is the way that a verb group shows whether an activity is continuing, is repeated, or is completed. For example, in `They were laughing', the verb is in the progressive aspect and shows that the action was continuing. Compare tense.
    N-UNCOUNT  
    
(c) HarperCollins Publishers.

refer          
    1    refer   refers   referring   referred  
    If you refer to a particular subject or person, you talk about them or mention them.
        In his speech, he referred to a recent trip to Canada.
    VB  
    
    2    refer   refers   referring   referred  
    If you refer to someone or something as a particular thing, you use a particular word, expression, or name to mention or describe them.
        Marcia had referred to him as a dear friend.
        He simply referred to him as Ronnie.
        Our economy is referred to as a free market.
    VB  
    
    3    refer   refers   referring   referred  
    If a word refers to a particular thing, situation, or idea, it describes it in some way.
        The term electronics refers to electrically-induced action.
    VB  
    
    4    refer   refers   referring   referred  
    If a person who is ill is referred to a hospital or a specialist, they are sent there by a doctor in order to be treated.
        Patients are mostly referred to hospital by their general practitioners.
        The patient should be referred for tests immediately.
    VB: usu passive  
    
    5    refer   refers   referring   referred  
    If you refer a task or a problem to a person or an organization, you formally tell them about it, so that they can deal with it.
        He could refer the matter to the high court.
    VB  
    
    6    refer   refers   referring   referred  
    If you refer someone to a person or organization, you send them there for the help they need.
        Now and then I referred a client to him.
    VB  
    
    7    refer   refers   referring   referred  
    If you refer to a book or other source of information, you look at it in order to find something out.
        He referred briefly to his notebook.
    VB  
    
    8    refer   refers   referring   referred  
    If you refer someone to a source of information, you tell them the place where they will find the information which they need or which you think will interest them.
        Mr Bryan also referred me to a book by the American journalist Anthony Scaduto.
    VB  
    
(c) HarperCollins Publishers.

specialist          
        specialist   specialists  
    A specialist is a person who has a particular skill or knows a lot about a particular subject.
        If you are housebound, you can arrange for a home visit from a specialist adviser.
        Peckham, himself a cancer specialist, is well aware of the wide variations in medical practice.
        ...a specialist in diseases of the nervous system.
    N-COUNT: usu N n, n N, N in/on n  
    = expert  
(c) HarperCollins Publishers.

source          
    1    source   sources  
    The source of something is the person, place, or thing which you get it from.
        ...over 40 per cent of British adults use television as their major source of information about the arts.
        Renewable sources of energy must be used where practical.
        Tourism, which is a major source of income for the city, may be seriously affected.
    N-COUNT: usu N of n  
    
    2    source   sources   sourcing   sourced  
    In business, if a person or firm sources a product or a raw material, they find someone who will supply it.
        Together they travel the world, sourcing clothes for the small, privately owned company.
        About 60 per cent of an average car is sourced from outside of the manufacturer.
        ...furniture sourced from all over the world.
    VB  
    
    ?sourcing  
        The union is particularly concerned at the sourcing of products abroad.
    N-UNCOUNT: oft N of n  
    
    3    source   sources  
    A source is a person or book that provides information for a news story or for a piece of research.
        Military sources say the boat was heading south at high speed.
        She quotes secondary and primary sources without distinction.
    N-COUNT: usu with supp  
    
    4    source   sources  
    The source of a difficulty is its cause.
        This gave me a clue as to the source of the problem.
    N-COUNT: N of n  
    = cause  
    5    source   sources  
    The source of a river or stream is the place where it begins.
        ...the source of the Tiber.
    N-COUNT: usu sing  
    
(c) HarperCollins Publishers.

situation          
    1    situation   situations  
    You use the word situation to refer generally to what is happening in a particular place at a particular time, or to refer to what is happening to you.
        Army officers said the situation was under control.
        And now for a look at the travel situation in the rest of the country.
        She's in a hopeless situation.
        If you want to improve your situation you must adopt a positive mental attitude.
    N-COUNT: usu with supp, oft poss N  
    
    2    situation   situations  
    The situation of a building or town is the kind of surroundings that it has. (FORMAL)
        The garden is in a beautiful situation on top of a fold in the rolling Hampshire landscape.
    N-COUNT: usu supp N  
    = location  
    3    situation  
    Situations Vacant is the title of a column or page in a newspaper where jobs are advertised. (mainly BRIT; in AM use Employment)
    PHR: oft PHR n  
    
(c) HarperCollins Publishers.

surroundings          
        surroundings  
    When you are describing the place where you are at the moment, or the place where you live, you can refer to it as your surroundings.
        Schumacher adapted effortlessly to his new surroundings.
        ...a peaceful holiday home in beautiful surroundings.
    N-PLURAL: oft poss N, in N with supp  
    
(c) HarperCollins Publishers.

column          
    1    column   columns  
    A column is a tall, often decorated cylinder of stone which is built to honour someone or forms part of a building.
        ...a London landmark, Nelson's Column in Trafalgar Square.
    N-COUNT  
    = pillar  
    2    column   columns  
    A column is something that has a tall narrow shape.
        The explosion sent a column of smoke thousands of feet into the air.
    N-COUNT: usu N of n  
    
    3    column   columns  
    A column is a group of people or animals which moves in a long line.
        There were reports of columns of military vehicles appearing on the streets.
    N-COUNT: usu N of n  
    
    4    column   columns  
    On a printed page such as a page of a dictionary, newspaper, or printed chart, a column is one of two or more vertical sections which are read downwards.
        We had stupidly been looking at the wrong column of figures.
        In The Dictionary of Quotations, there are no fewer than one and a half columns devoted to `kiss'.
    N-COUNT  
    
    5    column   columns  
    In a newspaper or magazine, a column is a section that is always written by the same person or is always about the same topic.
        His name features frequently in the social columns of the tabloid newspapers.
        She also writes a regular column for the Times Educational Supplement.
    N-COUNT: usu supp N  
    
(c) HarperCollins Publishers.

cylinder          
    1    cylinder   cylinders  
    A cylinder is an object with flat circular ends and long straight sides.
        ...a cylinder of foam...
        It was recorded on a wax cylinder.
    N-COUNT  
    
    2    cylinder   cylinders  
    A gas cylinder is a cylinder-shaped container in which gas is kept under pressure.
        ...oxygen cylinders.
    N-COUNT: usu with supp  
    
    3    cylinder   cylinders  
    In an engine, a cylinder is a cylinder-shaped part in which a piston moves backwards and forwards.
        ...a 2.5 litre, four-cylinder engine.
    N-COUNT  
    
(c) HarperCollins Publishers.

advertise          
    1    advertise   advertises   advertising   advertised  
    If you advertise something such as a product, an event, or a job, you tell people about it in newspapers, on television, or on posters in order to encourage them to buy the product, go to the event, or apply for the job.
        The players can advertise baked beans, but not rugby boots.
        In 1991, the house was advertised for sale at $49,000.
        Religious groups are currently not allowed to advertise on television.
    VB  
    
    2    advertise   advertises   advertising   advertised  
    If you advertise for someone to do something for you, for example to work for you or share your accommodation, you announce it in a newspaper, on television, or on a notice board.
        We advertised for staff in a local newspaper.
        I shall advertise for someone to go with me.
    VB  
    
    3    advertise   advertises   advertising   advertised  
    If someone or something advertises a particular quality, they show it in their appearance or behaviour. (LITERARY)
        His hard sinewy body advertised his ruthlessness of purpose.
    VB  
    = emphasize  
    4    advertise   advertises   advertising   advertised  
    If you do not advertise the fact that something is the case, you try not to let other people know about it.
        There is no need to advertise the fact that you are a single woman.
        I didn't want to advertise the fact that he hadn't driven me to the airport.
    VB: usu with brd-neg  
    
        See also advertising.
(c) HarperCollins Publishers.