reversion reverse reversal turnabout turnaround | turning in the opposite direction |
reverse hang | a hang with the arms extended in back |
piked reverse hang | a reverse hang performed on the rings |
reverse split reverse stock split split down | a decrease in the number of outstanding shares of a corporation without changing the shareholders' equity |
reverse | (American football) a running play in which a back running in one direction hands the ball to a back running in the opposite direction |
double reverse | (American football) a running play in which a first reverse is followed by a second reverse |
bevel gear pinion and crown wheel pinion and ring gear | gears that mesh at an angle |
chafing gear | covering (usually rope or canvas) of a line or spar to protect it from friction |
differential gear differential | a bevel gear that permits rotation of two shafts at different speeds, used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves |
epicyclic train epicyclic gear train | a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis |
first gear first low gear low | the lowest forward gear ratio in the gear box of a motor vehicle, used to start a car moving |
fishing gear tackle fishing tackle fishing rig rig | gear used in fishing |
foul-weather gear | protective garment that is intended to keep the wearer dry and warm in bad weather |
gear gear wheel geared wheel cogwheel | a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion |
gear paraphernalia appurtenance | equipment consisting of miscellaneous articles needed for a particular operation or sport etc. |
gear gear mechanism | a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle) |
gearbox gear box gear case | the shell (metal casing) in which a train of gears is sealed |
gearing gear geartrain power train train | wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed, the fool got his tie caught in the geartrain |
gearshift gearstick shifter gear lever | a mechanical device for engaging and disengaging gears, in Britain they call a gearshift a gear lever |
high gear high | a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed |
idle pulley idler pulley idle wheel | a pulley on a shaft that presses against a guide belt to guide or tighten it |
landing gear | an undercarriage that supports the weight of the plane when it is on the ground |
non-nucleoside reverse transcriptase inhibitor NNRTI | an antiviral drug used against HIV, binds directly to reverse transcriptase and prevents RNA conversion to DNA, often used in combination with other drugs |
nucleoside reverse transcriptase inhibitor NRTI | an antiviral drug used against HIV, is incorporated into the DNA of the virus and stops the building process, results in incomplete DNA that cannot create a new virus, often used in combination with other drugs |
planetary gear epicyclic gear planet wheel planet gear | an outer gear that revolves about a central sun gear of an epicyclic train |
reduction gear | gearing that reduces an input speed to a slower output speed |
reverse reverse gear | the gears by which the motion of a machine can be reversed |
reverse verso | the side of a coin or medal that does not bear the principal design |
reverse transcriptase inhibitor | an antiviral drug that inhibits the action of reverse transcriptase in retroviruses such as HIV |
second gear second | the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle, he had to shift down into second to make the hill |
spur gear spur wheel | gear wheels that mesh in the same plane |
stable gear saddlery tack | gear for a horse |
steering gear | a gear that couples the steering wheel to the steering linkage of a motor vehicle |
sun gear | the central gear in an epicyclic train |
third gear third | the third from the lowest forward ratio gear in the gear box of a motor vehicle, you shouldn't try to start in third gear |
worm gear | gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel), changes the direction of the axis of rotary motion |
postfix notation suffix notation reverse Polish notation | a parenthesis-free notation for forming mathematical expressions in which each operator follows its operands |
reverse reversal setback blow black eye | an unfortunate happening that hinders or impedes, something that is thwarting or frustrating |
thrust fault overthrust fault reverse fault | a geological fault in which the upper side appears to have been pushed upward by compression |
idler loafer do-nothing layabout bum | person who does no work, a lazy bum |
jet blue jet reverse lightning | atmospheric discharges (lastingmsec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward |
reverse osmosis | (chemistry) a method of producing pure water, a solvent passes through a semipermeable membrane in a direction opposite to that for natural osmosis when it is subjected to a hydrostatic pressure greater than the osmotic pressure |
reverse contrary opposite | a relation of direct opposition, we thought Sue was older than Bill but just the reverse was true |
reverse transcriptase | a polymerase that catalyzes the formation of DNA using RNA as a template, found especially in retroviruses |
change by reversal turn reverse | change to the contrary, The trend was reversed, the tides turned against him, public opinion turned when it was revealed that the president had an affair with a White House intern |
gear pitch | set the level or character of, She pitched her speech to the teenagers in the audience |
turn back invert reverse | turn inside out or upside down |
invert reverse | reverse the position, order, relation, or condition of, when forming a question, invert the subject and the verb |
fix prepare set up ready gear up set | make ready or suitable or equip in advance for a particular purpose or for some use, event, etc, Get the children ready for school!, prepare for war, I was fixing to leave town after I paid the hotel bill |
overrule overturn override overthrow reverse | rule against, The Republicans were overruled when the House voted on the bill |