Englishfor English speakers
handbook
Noun
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A handbook is a book informing people about rules or giving instructions about how to perform a task.
on
Preposition
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positioned at the upper surface of, touching from above
The apple is on the table.
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at the date of
Tim was born on the 4th of July.
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along, forwards (continuing an action)
drive on, rock on
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about, dealing with the subject of
I have a book on history.
There was a World Summit on the Information Society a few weeks ago.
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touching; hanging from
I have no money on me at the moment.
I would like to eat the fruit on the trees.
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because of, due to
He was arrested on suspicion of bribery.
I contacted Joanne on a hunch that she would know about it.
The stock price increased on news of a new product.
on
Adjective
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If something is on, it is active, functioning or operating.
The television is on.
The lights are on, so it is very bright.
social
Noun
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A social is a festive gathering to let people introduce oneself to others.
social
Adjective
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When a person or animal is social, it lives with others.
s are social animals.
—
Social change, structure, class, etc. is about society.
Our country is going through a period of social change.
indicator
—
noun
(= index)
a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
—
noun
a signal for attracting attention
—
noun
a device for showing the operating condition of some system
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noun
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction