| • |
Belonging to the essence, or that which makes an object,
or class of objects, what it is. |
| • |
Hence, really existing; existent. |
| • |
Important in the highest degree; indispensable to the
attainment of an object; indispensably necessary. |
| • |
Containing the essence or characteristic portion of a
substance, as of a plant; highly rectified; pure; hence, unmixed; as,
an essential oil. |
| • |
Necessary; indispensable; -- said of those tones which
constitute a chord, in distinction from ornamental or passing tones. |
| • |
Idiopathic; independent of other diseases. |
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