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Definition of Essential
Es`sen´tial Pronunciation: ĕs`sĕn´sjal | a. | 1. | Belonging to the essence, or that which makes an object, or class of objects, what it is. | | 2. | Hence, really existing; existent. | | 3. | Important in the highest degree; indispensable to the attainment of an object; indispensably necessary. | | 4. | Containing the essence or characteristic portion of a substance, as of a plant; highly rectified; pure; hence, unmixed; as, an essential oil. | | 5. | (Mus.) Necessary; indispensable; - said of those tones which constitute a chord, in distinction from ornamental or passing tones. | | 6. | (Med.) Idiopathic; independent of other diseases.| Essential oils | | (Chem.) a class of volatile oils, extracted from plants, fruits, or flowers, having each its characteristic odor, and hot burning taste. They are used in essences, perfumery, etc., and include many varieties of compounds; as lemon oil is a terpene, oil of bitter almonds an aldehyde, oil of wintergreen an ethereal salt, etc.; - called also volatile oils in distinction from the fixed or nonvolatile. |
| | n. | 1. | Existence; being. | | 2. | That which is essential; first or constituent principle; as, the essentials of religion. |
Related Words
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