elementary

The definition of elementary is something simple and basic, or the entry-level into something.

(adjective)

When you have a very basic knowledge of computer programming, this is an example of when you have an elementary knowledge.
The very first years of your schooling that are an introduction into formal education are an example of elementary education.

See elementary in Webster's New World College Dictionary

adjective

elemental
1. of first principles, rudiments, or fundamentals; introductory; basic; simple
2. of or having to do with the formal instruction of children in basic subjects: elementary education

Origin: ME elementare < L elementarius

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See elementary in American Heritage Dictionary 4

adjective

Of, relating to, or constituting the basic, essential, or fundamental part: an elementary need for love and nurturing.
Of, relating to, or involving the fundamental or simplest aspects of a subject: an elementary problem in statistics.
Of or relating to an elementary school or elementary education: the elementary grades; elementary teachers.

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