Dictionary - English
essential
- Constituting or being part of the essence of something; inherent. from The American Heritage® Dictionary of the English Language, 4th Edition / listen
- Basic or indispensable; necessary: essential ingredients. See Synonyms at indispensable. from The American Heritage® Dictionary of the English Language, 4th Edition / listen
- Medicine Of, relating to, or being a dysfunctional condition or a disease whose cause is unknown: essential hypertension. from The American Heritage® Dictionary of the English Language, 4th Edition
- Biochemistry Being a substance that is required for normal functioning but cannot be synthesized by the body and therefore must be included in the diet: essential amino acids. from The American Heritage® Dictionary of the English Language, 4th Edition
- Something fundamental. from The American Heritage® Dictionary of the English Language, 4th Edition / listen
