elementary
US /ˌel.əˈmen.t̬ɚ.i/
UK /ˌel.əˈmen.t̬ɚ.i/
1.
relating to the most basic or fundamental aspects of a subject; simple and basic
:
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He has only an elementary understanding of physics.
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The instructions were very elementary, even for a beginner.
2.
relating to a primary school
:
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She teaches at an elementary school.
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The curriculum covers elementary subjects like reading and math.