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 |
brachiopod
lamp shell
lampshell | marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food, found worldwide |
| Aladdin's lamp | (Arabian Nights) a magical lamp from which Aladdin summoned a genie |
anchor light
riding light
riding lamp | a light in the rigging of a ship that is riding at anchor |
arc lamp
arc light | a lamp that produces light when electric current flows across the gap between two electrodes |
carbon arc lamp
carbon arc | has carbon electrodes |
| discharge lamp | a lamp that generates light by a discharge between two electrodes in a gas |
electric-discharge lamp
gas-discharge lamp | an electric lamp in which the light comes from an electric discharge between two electrodes in a glass tube |
| electric lamp | a lamp powered by electricity |
flash
photoflash
flash lamp
flashgun
flashbulb
flash bulb | a lamp for providing momentary light to take a photograph |
flood
floodlight
flood lamp
photoflood | light that is a source of artificial illumination having a broad beam, used in photography |
| floor lamp | a lamp that stands on the floor |
| fluorescent lamp | lamp consisting of a tube coated on the inside with a fluorescent material, mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material |
| gas lamp | a lamp that burns illuminating gas |
| glow lamp | a gas-discharge tube with a hot cathode, used in stroboscopes |
heat lamp
infrared lamp | electric heater consisting of a high-power incandescent lamp that emits infrared radiation, the bathroom could be warmed by an infrared lamp |
hurricane lamp
hurricane lantern
tornado lantern
storm lantern
storm lamp | an oil lamp with a glass chimney and perforated metal lid to protect the flame from high winds, candlestick with a glass chimney |
| lamp | an artificial source of visible illumination |
| lamp | a piece of furniture holding one or more electric light bulbs |
lamp chimney
chimney | a glass flue surrounding the wick of an oil lamp |
lamp house
lamphouse
lamp housing | housing that holds a lamp (as in a movie projector) |
lampshade
lamp shade | a protective ornamental shade used to screen a light bulb from direct view |
light bulb
lightbulb
bulb
incandescent lamp
electric light
electric-light bulb | electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity |
| mercury-vapor lamp | ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor |
neon lamp
neon induction lamp
neon tube | a lamp consisting of a small gas-discharge tube containing neon at low pressure, luminescence is produced by the action of currents at high frequencies that are wrapped a few turns around the tube |
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 |
oil lamp
kerosene lamp
kerosine lamp | a lamp that burns oil (as kerosine) for light |
pilot light
pilot lamp
indicator lamp | indicator consisting of a light to indicate whether power is on or a motor is in operation |
| quartz lamp | a mercury-vapor lamp that is enclosed in a quartz container instead of a glass container |
| reading lamp | a lamp that provides light for reading |
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 |
safety lamp
Davy lamp | an oil lamp that will not ignite flammable gases (methane) |
| slit lamp | (ophthalmology) a lamp that emits a narrow but intense beam of light that enables an ophthalmologist, using a microscope, to view the retina and optic nerve |
sodium-vapor lamp
sodium-vapour lamp | lamp in which an electric current passed through a tube of sodium vapor makes a yellow light, used is street lighting |
| spirit lamp | a lamp that burns a volatile liquid fuel such as alcohol |
streetlight
street lamp | a lamp supported on a lamppost, for illuminating a street |
| student lamp | a reading lamp with a flexible neck, used on a desk |
sunlamp
sun lamp
sunray lamp
sunay lamp | a mercury-vapor lamp used in medical or cosmetic treatments |
| table lamp | a lamp that sits on a table |
taillight
tail lamp
rear light
rear lamp | lamp (usually red) mounted at the rear of a motor vehicle |
ultraviolet lamp
ultraviolet source | any source of illumination that emits ultraviolet radiation |
postfix notation
suffix notation
reverse Polish notation | a parenthesis-free notation for forming mathematical expressions in which each operator follows its operands |