That which exists only as a quality of substance.
A series of settings on a device used for a specific purpose.
The openwork between the solid parts of a pattern.
A verb form that depends on how its containing clause relates to the speaker’s or writer’s wish, intent, or assertion about reality.
The most frequently occurring value in a distribution
A variation in gameplay, such as a difficulty level.
One of several common scales in modern Western music, one of which corresponds to the modern major scale and one to the natural minor scale.
Style or fashion; popular trend.
One of various related sets of rules for processing data; more generally, any state of the system associated with certain behaviours.
A particular means of accomplishing something.
One of several ancient Greek scales.
A particular state of being, or frame of mind.
A state of a system that is represented by an eigenfunction of that system.
In lace-making, a small decorative piece inserted into a pattern.
A treatise on this science.
The part of biology relating to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct.