Medical Dictionary

essential

6 ENTRIES FOUND:

essential

adj es·sen·tial \i-ˈsen-chəl\

Definition of ESSENTIAL

1
:  being, relating to, or containing an essence <an essential odor>
2
:  being a substance that is not synthesized by the body in a quantity sufficient for normal health and growth and that must be obtained from the diet <essential fatty acids>—compare nonessential
3
:  having no obvious or known cause :  idiopathic <essential disease>
March 04, 2015
sprightly Hear it
Full of life and energy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears