noun (n)

• solid unweathered rock lying beneath surface deposits of soil

  padat unweathered rock terbaring di bawah permukaan tangkinya tanah

  source: wordnet30
• principles from which other truths can be derived

  prinsip yang lain boleh mendapatkan kebenaran

  Synonym:
  basic principle, basics, fundamental principle, fundamentals
  

  source: wordnet30