I. |rüdə|mentərē, -n.trē, -ri sometimes -dəmən.ˌter- adjective
Etymology: rudiment + -ary
1. : of or relating to rudiments: as
a. : consisting in first principles : basic , fundamental
these rudimentary truths — M.R.Cohen
b. : of a primitive kind : undeveloped , elementary
a rudimentary sort of building — Henry Wynmalen
man with a rudimentary conscience — Greer Williams
conditions which do not meet rudimentary standards of decency — F.D.Roosevelt
c. : of or relating to the basic skills taught especially in elementary school
received four years of rudimentary education — Current Biography
2. : having the character of a rudiment : very imperfectly developed or represented only by a vestige
II. noun
( -es )
: rudiment 2b