A disagreement or argument.
The result of a subtraction; sometimes the absolute value of this result.
An addition to a coat of arms to distinguish two people's bearings which would otherwise be the same. See augmentation and cadency.
A characteristic of something that makes it different from something else.
The quality of being different.
The quality or attribute which is added to those of the genus to constitute a species; a differentia.
The set of elements that are in one set but not another ( scriptstyle A◌̅B).
Significant change in or effect on a situation or state.
A Boolean operation which is true when the two input variables are different but is otherwise false; the XOR operation ( scriptstyle A◌̅B+◌̅AB).
A vacancy, deficit, absence, or lack.
The shortfall between the amount the medical insurer will pay to the service provider and the scheduled fee for the item.
An opening in anything made by breaking or parting.
A hiatus, a pause in something which is otherwise continuous.
An opening allowing passage or entrance.
An opening that implies a breach or defect.
(usually written as "the gap") The disparity between the indigenous and non-indigenous communities with regard to life expectancy, education, health, etc.
An unsequenced region in a sequence alignment.
The regions between the outfielders.
A vacant space or time.
A mountain or hill pass.
A sheltered area of coast between two cliffs (mostly restricted to place names).
To leave suddenly.
To notch, as a sword or knife.
To check the size of a gap.
To make an opening in; to breach.