Apedia

Noun Absolutely Essential |ɪˈsɛnʃ(ə)L| Adjective Extremely Important Amino

Front essential
|ɪˈsɛnʃ(ə)l|
Back adjective
1
absolutely necessary
extremely important:
2
(of an amino acid or fatty acid) required for normal growth but not synthesized in the body and therefore necessary in the diet.
3
Medicine
(of a disease) with no known external stimulus or cause
idiopathic:
noun
(usu. essentials)
a thing that is absolutely necessary:

DERIVATIVES
essentiality
|-ʃɪˈalɪti |
noun
,
essentialness
noun

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