One of a set of explicit or understood regulations or principles governing conduct within a particular activity or sphere
The policy of maintaining control over one’s subordinates or subjects by encouraging dissent between them
health and safety rules
A long dash (—) used in punctuation
A short dash (-) used in punctuation, in particular between figures to show a range (for example, 1939–45)
(In the UK) a prison regulation whereby prisoners, typically sex offenders, can be isolated or segregated for their own protection
In the design of transonic and supersonic aircraft, the principle that the longitudinal variation of the cross-sectional area of an aircraft should approximate to that of the shape subject to the least drag at the speed in question.
A rule or order of court, authorizing a prisoner to leave prison for one day. Compare earlier day writ.
A foot-long measuring instrument
A regulation or directive that prohibits public discussion of a particular matter, in particular
The government of a colony, dependent country, or region by its own citizens
Control of a political situation by those outside the conventional or lawful realm, typically involving violence and intimidation
= pica ruler.
A rule or regulation governing the behaviour of freshmen or new cadets.
A rectangle formed by ruled or printed lines.
A ruling taking effect after a particular period of time, unless cause be shown within the period why it should not.
Another term for self-government111.
One of a set of regulations governing working procedures, conditions, etc., in a business or industry.
An empirical rule according to which the appendages of a warm-blooded animal are smaller in populations occupying the cooler parts of its geographical range.
A system of government in which a province is controlled by a central government
A basic principle that should be followed to ensure success in general or in a particular activity
A basic principle
Household management (rare).
A rule relating the possible numbers of phases, constituents, and degrees of freedom in a chemical system
A plumb line attached to a board, used by builders and surveyors
Usually, but not always
Originally Typography. A machine for bending straight pieces of metal.
Overly limited or restricted by rules
A movable joint such as is used in folding rulers or table flaps.
A person who draws up a rule or rules; a maker of regulations.
The action of drawing up a rule or rules; the making of regulations; an instance of this.
Linguistics. Of a word, form, or feature: having mutated or developed according to a particular rule; regular.
A measuring rod.
(Originally) a principle or doctrine of the schools; (later) a regulation governing the behaviour of pupils at a school.
A ruler with a sliding central strip, marked with logarithmic scales and used for making rapid calculations, especially multiplication and division
A formula or principle used to choose a course of action, in response to any given input of data.
A system of government of one nation by another in which the governed people retain certain administrative, legal, and other powers
A mnemonic (proposed by J. A. Fleming (1849–1945), English electrical engineer), concerning the behaviour of a current-carrying conductor in a magnetic field, according to which the directions of the magnetic field, the current, and the force exerted on the conductor are indicated respectively by the first finger, second finger, and thumb of the left hand when these are held out perpendicular to each other.
The principle that the greater number should exercise greater power
A system of government in which the governing party of a country represents only a small proportion of the overall population
A rule about when and how vehicles should overtake one another.
A constitutional convention by which the Government may ratify a treaty or agreement without parliamentary approval once it has been open to parliamentary scrutiny for a period of twenty-one days and raised no objections.
= Porson's Law.
= rewriting rule.
A ruling taking effect immediately, fully, and unconditionally, and not liable to subsequent challenge or rescindment; also in extended use.
(Of an exception) that proves the rule.
An arithmetical rule for estimating the area under a curve where the values of an odd number of ordinates, including those at each end, are known
= advantage law.
A rule that public records may be open to inspection after a lapse of fifty years. Superseded in the UK in 1968 by the thirty-year rule
A notional rule stating that food which has been dropped on the ground will still be uncontaminated with bacteria and therefore safe to eat if it is retrieved within five seconds