Englishfor English speakers
regulation
Noun
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A regulation is a rule or a control.
The company has recently imposed new safety rules and regulations to reduce accidents.
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Regulation is the process of controlling something, usually with rules.
The government is reducing regulation of the airlines.
regulation
Adjective
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If something is regulation, it is made or done according to the rules.
This isn't a regulation soccer ball. It's too small.
d
Noun
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The fourth letter of the alphabet.
"c" comes before "d"
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In some schools, an D is a poor grade.
Liam did not pass this exam because he got a D.