base hit
safety | (baseball) the successful act of striking a baseball in such a way that the batter reaches base safely |
| safety | a score in American football, a player is tackled behind his own goal line |
safety squeeze play
safety squeeze | the runner on third base waits to start home until the batter has bunted successfully |
safety blitz
linebacker blitzing
blitz | (American football) defensive players try to break through the offensive line |
| work to rule | a job action in which workers cause a slowdown by doing only the minimum amount required by the rules of the workplace |
| board rule | a measure used in computing board feet |
| carpenter's rule | a rule used by a carpenter |
condom
rubber safety safe prophylactic | contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse |
| foot rule | a ruler one foot long |
fuse electrical fuse
safety fuse | an electrical device that can interrupt the flow of electrical current when it is overloaded |
guard
safety
safety device | a device designed to prevent injury or accidents |
hard hat
tin hat
safety hat | a lightweight protective helmet (plastic or metal) worn by construction workers |
locknut
safety nut | supplementary nut that is screwed down on a primary nut to prevent it from loosening |
| plumb rule | a plumb line attached to a narrow board |
rule
ruler | measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths |
safe-deposit
safe-deposit box
safety-deposit
safety deposit box
deposit box
lockbox | a fireproof metal strongbox (usually in a bank) for storing valuables |
| safety arch | an undecorated arch that is included in order to strengthen or support a construction |
safety belt
life belt safety harness | belt attaching you to some object as a restraint in order to prevent you from getting hurt |
safety bicycle
safety bike | bicycle that has two wheels of equal size, pedals are connected to the rear wheel by a multiplying gear |
safety bolt
safety lock | a bolt that cannot be moved from outside the door or gate |
safety catch
safety lock | guard consisting of a locking device that prevents a weapon from being fired |
| safety curtain | a fireproof theater curtain to be dropped in case of fire |
| safety fuse | a slow-burning fuse consisting of a tube or cord filled or saturated with combustible matter, used to ignite detonators from a distance |
safety lamp
Davy lamp | an oil lamp that will not ignite flammable gases (methane) |
safety match
book matches | a paper match that strikes only on a specially prepared surface |
| safety net | a large strong net to catch circus acrobats who fall or jump from a trapeze |
| safety pin | a pin in the form of a clasp, has a guard so the point of the pin will not stick the user |
safety rail
guardrail | a railing placed alongside a stairway or road for safety |
| safety razor | a razor with a guard to prevent deep cuts in the skin |
safety valve
relief valve
escape valve
escape cock
escape | a valve in a container in which pressure can build up (as a steam boiler), it opens automatically when the pressure reaches a dangerous level |
slide rule
slipstick | analog computer consisting of a handheld instrument used for rapid calculations, have been replaced by pocket calculators |
traffic island
safety island
safety isle
safety zone | a curbed area in a roadway from which traffic is excluded, provides safe area for pedestrians |
margin of safety
safety margin
margin of error | the margin required in order to insure safety, in engineering the margin of safety is the strength of the material minus the anticipated stress |
system
system of rules | a complex of methods or rules governing behavior, they have to operate under a system they oppose, that language has a complex system for indicating gender |
convention
normal
pattern rule formula | something regarded as a normative example, the convention of not naming the main character, violence is the rule not the exception, his formula for impressing visitors |
rule
regulation | a principle or condition that customarily governs behavior, it was his rule to take a walk before breakfast, short haircuts were the regulation |
| rule formula | (mathematics) a standard procedure for solving a class of mathematical problems, he determined the upper bound with Descartes' rule of signs, he gave us a general formula for attacking polynomials |
algorithm
algorithmic rule
algorithmic program | a precise rule (or set of rules) specifying how to solve some problem |
heuristic
heuristic rule
heuristic program | a commonsense rule (or set of rules) intended to increase the probability of solving some problem |
guidepost
guideline
rule of thumb | a rule or principle that provides guidance to appropriate behavior |
cy pres
rule of cy pres
cy pres doctrine | a rule that when literal compliance is impossible the intention of a donor or testator should be carried out as nearly as possible |
working principle
working rule | a rule that is adequate to permit work to be done |
| safety feature | feature of an artifact that is added to insure a user's safety |
| principle rule | a rule or law concerning a natural phenomenon or the function of a complex system, the principle of the conservation of mass, the principle of jet propulsion, the right-hand rule for inductive fields |
| Naegele's rule | rule for calculating an expected delivery date, subtract three months from the first day of the last menstrual period and add seven days to that date |
| principle rule | a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct, their principles of composition characterized all their works |
| Golden Rule | a command based on Jesus' words in the Sermon on the Mount, Whatsoever ye would that men do unto you, do you even so unto them (Matthew :) |
majority rule
democracy | the doctrine that the numerical majority of an organized group can make decisions binding on the whole group |
occupational safety and health act
federal job safety law | a law passed by the United States Congress that created the Occupational Safety and Health Administration to prevent employees from being injured or contracting diseases in the course of their employment |
| rule | any one of a systematic body of regulations defining the way of life of members of a religious order, the rule of St. Dominic |