primal
-
(s) serving as an essential component
- a cardinal rule
- the central cause of the problem
- an example that was fundamental to the argument
- computers are fundamental to modern industrial structure
-
(s) having existed from the beginning; in an earliest or original stage or state
- aboriginal forests
- primal eras before the appearance of life on earth
- the forest primeval
- primordial matter
- primordial forms of life