What does rudimentary mean?
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From our dictionary:ru•di•men•ta•ry
Pronunciation: (rOO"du-men'tu-rE, -trE), [key]
—adj.
1. pertaining to rudiments or first principles; elementary: a rudimentary knowledge of geometry.
2. of the nature of a rudiment; undeveloped or vestigial.
3. primitive. Also,ru"di•men'tal.