Physics acronyms & abbreviations



Physics acronyms & abbreviations

|(1) AC |Alternating Current |an electric current that regularly reverses direction; current |

| | |delivered to homes and businesses |

|(2) CRT |Cathode Ray Tube |emits a stream of electrons from a cathode in a vacuum tube; main |

| | |component in older computer monitors |

|(3) DC |Direct Current |electric current that flows in only one direction; produced by |

| | |batteries and appliance transformers |

|(4) IR |Infra-Red | radiation that is lower energy than red light |

|(5) LASER |Light Amplification by Stimulated |a device that emits a highly focused beam of single wavelength |

| |Emission Radiation |radiation; used in numerous electronics devices (CD, DVD, scanners, |

| | |etc) |

|(6) MASER |Microwave Amplification by Stimulated |a device used in radar and radio astronomy to boost the strength of |

| |Emission Radiation |microwaves |

|(7) Quasar |QUASi-stellAR |a class of celestial objects that resemble stars; deep space objects|

| | |that emit huge amount of energy |

|(8) Rf |Radio Frequency |any frequency between 10kHz and 300 kHz; used for radio and TV |

| | |transmission |

|(9) EM |ElectroMagnetic |created by or relating to electromagnetism |

|(10) UHF |Ultra High Frequency |radio frequency that is higher than VHF |

|(11) UV |UltraViolet |electromagnetic radiation that is more energetic than violet light |

|(12) VHF |Very High Frequency |radio frequency that is higher than the normal broadcast zone |

|(13) WIMP |Weakly Interacting Massive Particle |theorized form of dark matter thought to compose much of the matter |

| | |in the universe |

|(14) parsec |PARallax SECond |a unit of measure for interstellar space equal to the distance of an|

| | |object having a parallax of one second; 326 light-years |

|(15) VOM |Volt-Ohm Milliameter |a mulitmeter used to measure potential (volts), resistance (ohms) |

| | |and other features. |

Chemistry acronyms and abbreviations

|(1) ACS |American Chemical Society |professional society of chemists |

|(2) alnico |ALuminum + NIckel + Cobalt |a powerful permanent-magnet alloy containing iron, nickel, aluminum, and one|

| | |or more of the elements cobalt, copper, and titanium |

|(3) canola |CANada Oil + Low Acid |a type of rapeseed plant that yields a low acid, high nutritional value oil |

|(4) CFC |Chloro-FluoroCarbon |gas contatining carbon, hyudrogen and fluorine; used as a refrigerant; known|

| | |to breakdown ozone |

|(5) CO |Carbon monoxide |gas with a molecule made of one carbon and one oxygen. it is a toxic |

| | |substance in car exhaust and cigarette smoke |

|(6) DDT |DichloroDiphenylTrichloroethane |a chemical used to kill mosquitos that became a major environmental |

| | |pollutant |

|(7) MSDS |Material Safety Data Sheet |a safety information sheet that accompanies chemicals sold in America |

|(8) MTBE |Methyl Tertiary Butyl Ether |a gasoline additive that is supposed to make gas burn cleaner; health |

| | |hazard |

|(9) OSHA |Occupational Safety and Health |a federal organization that oversees health and safety conditions in |

| |Administration |schools, laboratories, and the workplace |

|(10) PVC |PolyVinyl Chloride |a hard vinyl chloride polymer; used in flooring, piping and clothing |

|(11) PPM |Parts Per Milllion |a measure of the concentration of pollutants and other substances in a gas |

| | |or liquid |

|(12) PSI |Pounds per Square Inch |a customary measure of pressure |

|(13) R&D |Research and Development |the process in which industry engages in to produce new products |

|(14) redox |REDuction + Oxidation |a reaction in which one substance is oxidized while another is reduced |

|(15) smog |Smoke + Fog |air pollution resulting from the mixture of smoke an fog; now includes all |

| | |types of air pollution |

Geoscience Acronyms

|(1) EPA |Environmental Protection Agency |federal agency charged with monitoring the environment |

|(2) GEOS |Geodetic and Earth Orbiting Satellite |satellite for making precise measurement of the Earth’s surface |

|(3) GMT |Greenich Mean TimeGMT |name for mean solar time of the longitude (0°) of the former Royal |

| | |Observatory at Greenwich, Eng |

|(4) GPS |Global Positioning System |A system of satellites that transmit signals used to determine one’s |

| | |precise position |

|(5) JPL |Jet Propulsion Laboratory |center for US unmanned space mission; originally a laboratory for |

| | |developing and testing rocket and jet propulsion |

|(6) NGS |National Geodetic Survey |survey to determine and publish latitude, longitude, elevation and |

| | |gravity data |

|(7) NOAA |National Oceanic and Atmospheric |organization to provide details on weather, oceans, satellites, |

| |Administration |fisheries, climate, navigation, and coasts |

|(8) NRAO |National Radio Astronomy Observatory |NRAO operates powerful, advanced radio telescopes spanning the |

| | |western hemisphere |

|(9) NSF |National Science Foundation |US agency to support basic research and education in sciences, |

| | |mathematics and engineering |

|(10) NWS |National Weather Service |US agency for predicting and reporting weather conditions throughout |

| | |the United States |

|(11) Radar |Radar RAdio Detection And Ranging |locating and tracking objects by transmitting electromagnetic energy |

| | |and observing the echoes |

|(12) Scuba |Self-Contained Underwater Breathing |an apparatus with a portable air supply used for breathing while |

| |Apparatus |swimming underwater |

|(13) Sonar |SOund Navigation And Ranging |Technology for locating objects by means of reflected sound waves |

|(14) USGS |United States Geological Survey |Federal agency for gathering and sharing information about the |

| | |Earth’s resources, natural hazards, and environment |

|(15) UTC |Universal Time Coordinated |International basis of civil and scientific time, implemented in 1964|

Biology Acronyms and Abbreviations

|(1) AIDS |Acquired Immune Deficiency Syndrome |a disease of the immune system caused by infection with the |

| | |retrovirus HIV |

|(2) BAL |Blood alcohol level |the amount of alcohol in your blood stream recorded as milligrams of|

| | |alcohol per 100 milliliters of blood |

|(3) CDC |Center for Disease Control |federal agency for protecting the health and safer of individuals, |

| | |providing information to assist making health decisions |

|(4) CPR |CardioPulmonary Resuscitation |emergency procedure designed to restore normal breathing and |

| | |circulation after such traumas as cardiac arrest and drowning |

|(5) CVA |Cerebro Vascular Accident | impairment of brain function due to substantial reduction in blood |

| | |flow or bleeding in the brain |

|(6) ECG |ElectroCardioGram |trace of the electric current generated by the hearth muscle; also |

| | |known as ekg |

|(7) GI |GastroIntestinal |pertaining to digestive tract, particularly the stomach and |

| | |intestines |

|(8) LD50 |Lethal Dose (50%) |the dosage of a substance at which 50% of the test animals die; |

| | |measure of toxicity |

|(9) LDL |Low Density Lipoprotein |“bad” cholesterol that can slowly build on walls of arteries |

| | |contributing to atherosclerosis |

|(10) MRI |Magnetic Resonance Imaging |imaging technique used to produce images of the inside of the body |

| | |based upon the resonance of electrons in hydrogen atoms |

|(11) PCR |Polymerase Chain Reaction |technique used to make numerous copies of a specific segment of DNA |

| | |quickly and accurately |

|(12) RBC |Red Blood Cell |oxygen-carrying cell in the blood stream; erythrocyte |

|(13) REM |Rapid Eye Movement |a stage of sleep characterized by rapid movement of the eyes |

|(14) RNA |RiboNucleic Acid |a nucleic acid containing ribose and essential for the manufacture |

| | |of proteins |

|(15) TB |TuBerculosis |infectious disease caused by several species of tubercle bacillus |

| | |bacteria |

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download