Englishfor English speakers
doctor
Noun
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A person who helps people who are sick, and looks after their health.
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A person who can work very well about a particular thing and is given the title Doctor by a university, for example a doctor in psychology could be called Doctor John Smith.
doctor
Verb
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If you doctor someone, you act as a medical doctor towards them.
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If you doctor something or someone, you change them.
thirteen
Determiner
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(ordinal thirteenth) Thirteen is the number that is after twelve and before fourteen. In numerals, it is 13.
Thirteen donuts makes a baker's dozen.
The thirteen are never alone.
thirteen
Noun
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The number 13.
and ten makes thirteen.
thirteen
Adjective
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To be thirteen years old.
This girl is thirteen.