жизненно важный, основной, определяющий
1. прилагательное 1) внутренне присущий, неотъемлемый; затрагивающий сущность Например: essential difference [логика] — отличительный, дифференциальный признак Синоним(ы): inherent 2) важнейший; необходимый; основной Например: essential foods — основные продукты питания essential detail — важная деталь essential part — важная, значительная часть an essential requirement for admission to college — необходимое требование, чтобы быть принятым в колледж Синоним(ы): basic, indispensable, necessary 3) эфирный, относящийся к эфирному маслу 4) [медицина] идиопатический, неясного происхождения; первичный Синоним(ы): idiopathic 2. имя существительное 1) сущность; суть; главное; основные элементы Например: the essentials of economics — основы экономики 2) (essentials) жизненно необходимые вещи, предметы первой необходимости Например: the bare / basic essential — предметы самой первой необходимости
I. adjective 1. of, relating to, or constituting essence; inherent 2. a. of the utmost importance; basic, indispensable, necessary Example: an essential requirement for admission to college b. 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 Example: dietary protein provides the body with essential amino acids — compare nonessential 2 3. idiopathic Example: essential disease Example: essential hypertension • essentially adverb • essentialness noun Synonyms: essential, fundamental, vital, cardinal mean so important as to be indispensable. essential implies belonging to the very nature of a thing and therefore being incapable of removal without destroying the thing itself or its character Example: conflict is essential in drama. fundamental applies to something that is a foundation without which an entire system or complex whole would collapse Example: fundamental principles of algebra. vital suggests something that is necessary to a thing's continued existence or operation Example: cut off from vital supplies. cardinal suggests something on which an outcome turns or depends Example: a cardinal rule in buying a home. II. noun 1. something basic Example: the essentials of astronomy 2. something necessary, indispensable, or unavoidable