Englishfor English speakers
attack
Verb
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To begin fighting with.
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To blame or abuse violently.
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To try to destroy, especially with words.
attack
Noun
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An attack is the act of trying to hurt somebody or break something.
angle
Noun
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When two straight lines come together, they make an angle.
A 90° angle is called a right angle.
indicator
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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
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noun
a signal for attracting attention
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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