radiotherapy radiation therapy radiation actinotherapy irradiation | (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance |
radiation | the act of spreading outward from a central source |
radiation pyrometer | a pyrometer for estimating the temperature of distant sources of heat, radiation is focussed on a thermojunction connected in circuit with a galvanometer |
series circuit | a circuit having its parts connected serially |
acoustic radiation pressure | (acoustics) the pressure exerted on a surface normal to the direction of propagation of a sound wave |
optic radiation radiatio optica | a nerve pathway from the lateral geniculate body to the visual cortex |
radiation | a radial arrangement of nerve fibers connecting different parts of the brain |
GI series | diagnostic tests of the alimentary canal, usually involves inserting a contrast medium (such as barium sulfate) and taking an Xay |
irradiation | (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus |
series | (mathematics) the sum of a finite or infinite sequence of expressions |
power series | the sum of terms containing successively higher integral powers of a variable |
geometric series | a geometric progression written as a sum |
Fourier series | the sum of a series of trigonometric expressions, used in the analysis of periodic functions |
Planck's radiation law | (physics) an equation that expresses the distribution of energy in the radiated spectrum of an ideal black body |
irradiation | the apparent enlargement of a bright object when viewed against a dark background |
time series | a series of values of a variable at successive times |
series serial serial publication | a periodical that appears at scheduled times |
serial series | a serialized set of programs, a comedy series, the Masterworks concert series |
radiation pattern radiation diagram pattern | graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle |
irradiation | (physiology) the spread of sensory neural impulses in the cortex |
background radiation | radiation coming from sources other than those being observed |
radiation | the spread of a group of organisms into new habitats |
adaptive radiation | the development of many different forms from an originally homogeneous group of organisms as they fill different ecological niches |
series | (sports) several contests played successively by the same teams, the visiting team swept the series |
World Series | series that constitutes the playoff for the baseball championship, we watched the World Series on TV |
electromotive series electromotive force series electrochemical series | a serial arrangement of metallic elements or ions according to their electrode potentials determined under specified conditions, the order shows the tendency of one metal to reduce the ions of any other metal below it in the series |
series | similar things placed in order or happening one after another, they were investigating a series of bank robberies |
series | a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection, the Post Office issued a series commemorating famous American entertainers, his coin collection included the complete series of Indian-head pennies |
actinic radiation actinic ray | electromagnetic radiation that can produce photochemical reactions |
alpha radiation alpha ray | the radiation of alpha particles during radioactive decay |
beam beam of light light beam ray ray of light shaft shaft of light irradiation | a column of light (as from a beacon) |
beta radiation beta ray electron radiation | radiation of beta particles during radioactive decay |
black-body radiation blackbody radiation | the electromagnetic radiation that would be radiated from an ideal black body, the distribution of energy in the radiated spectrum of a black body depends only on temperature and is determined by Planck's radiation law |
ionizing radiation | high-energy radiation capable of producing ionization in substances through which it passes |
cosmic background radiation CBR cosmic microwave background radiation CMBR cosmic microwave background CMB | (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about . kelvin |
cosmic radiation | radiation coming from outside the solar system |
electromagnetic radiation electromagnetic wave nonparticulate radiation | radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge |
gamma radiation gamma ray | electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength |
infrared infrared light infrared radiation infrared emission | electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves |
light visible light visible radiation | (physics) electromagnetic radiation that can produce a visual sensation, the light was filtered through a soft glass window |
radiation field | a field that represents the energy lost from the radiator to space |
neutron radiation | radiation of neutrons (as by a neutron bomb) |
radiation pressure corpuscularadiation pressure | the minute pressure exerted on a surface normal to the direction of propagation of a wave |
radiation | energy that is radiated or transmitted in the form of rays or waves or particles |
corpuscular radiation particulate radiation | a stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons) |
radio wave radio emission radio radiation | an electromagnetic wave with a wavelength between . cm to , m |
solar radiation | radiation from the sun |
ultraviolet ultraviolet radiation ultraviolet light ultraviolet illumination UV | radiation lying in the ultraviolet range, wave lengths shorter than light but longer than X rays |
radiation radioactivity | the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay |
exponential series | a series derived from the expansion of an exponential expression |