Englishfor English speakers
primary
Adjective
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first.
Primary education covers infant schooling from the ages of 5–7 or 8, then junior schooling concluding at the ages of 10 or 11.
Most patients are managed in primary care but the vast majority of research publications derive from hospitals.
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most important.
The company had shops in buildings whose primary purpose was as office space.
primary
Noun
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A primary is an election held by a political party to select it's candidate for public office.
Arlen Specter defeated Pat Toomey in the Republican primary election for U.S. Senate candidate.
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Primary means an elementary school.
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Primary means the first grade in an elementary school.
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Primary means a base, something that is irreducible.
detecting
—
noun
(= detection)
a police investigation to determine the perpetrator
detection is hard on the feet
element
Noun
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An element is one part of something bigger, such as a plan, an engine, or a business.
He's the best salesman on our team, but he's only one element in our success.
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An element is one basic kind of substance, such as iron (Fe) oxygen (O) or sodium (Na).
Water is made up of two elements: Hydrogen and Oxygen.