"rudimentary" in the adjective sense
1. fundamental, rudimentary, underlying
being or involving basic facts or principles
"the fundamental laws of the universe"
"a fundamental incompatibility between them"
"these rudimentary truths"
"underlying principles"
2. rudimentary
being in the earliest stages of development
"rudimentary plans"
3. vestigial, rudimentary
not fully developed in mature animals
"rudimentary wings"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License