The inherent nature of a thing or idea.
Constituent substance.
The concentrated form of a plant or drug obtained through a distillation process.
A being; especially, a purely spiritual being.
An extract or concentrate obtained from a plant or other matter used for flavouring, or as a restorative.
The true nature of anything, not accidental or illusory.
A significant feature of something.
Fragrance, a perfume.
The meaning, reason, or value of something.
Perception through the intellect; apprehension; awareness.
One of two opposite directions in which a vector (especially of motion) may point. See also polarity.
A natural appreciation or ability.
The way that a referent is presented.
A single conventional use of a word; one of the entries for a word in a dictionary.
Sound practical or moral judgment.
Any of the manners by which living beings perceive the physical world: for humans sight, smell, hearing, touch, taste.
referring to the strand of a nucleic acid that directly specifies the product.
One of two opposite directions of rotation, clockwise versus anti-clockwise.
Any particular meaning of a word, among its various meanings.
To instinctively be aware.
To comprehend.
To use biological senses: to either see, hear, smell, taste, or feel.