Rudiment

مترادف و متضاد rudiment

1. noun A fundamental principle or underlying concept.
   Synonyms: Often used in plural: base, basis, cornerstone, foundation, fundament, fundamental, root
2. noun A fundamental irreducible constituent of a whole.
   Synonyms: Often used in plural: basic, element, essential, fundamental
3. noun The elementary stages of any subject (usually plural)
   Synonyms: first rudiment, first-principle, alphabet, abc, abcs