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photoemission collapse: an emission of photoelectrons (especially from a metallic surface)

beta particle collapse: a high-speed electron or positron emitted in the decay of a radioactive isotope

cathode ray collapse: a beam of electrons emitted by the cathode of an electrical discharge tube

rafter collapse: one of several parallel sloping beams that support a roof; provide (a ceiling) with rafters

photon collapse: a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle

octet collapse: a musical composition written for eight performers; eight people considered as a unit; a set of eight similar things considered as a unit; eight performers or singers who perform together

proton collapse: a stable particle with positive charge equal to the negative charge of an electron

neutron collapse: an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus

alpha particle collapse: a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes

meson collapse: an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0

X ray collapse: electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target

television collapse: a telecommunication system that transmits images of objects (stationary or moving) between distant points; broadcasting visual images of stationary or moving objects; "she is a star of screen and video"; "Television is a medium because it is neither rare nor well done" - Ernie Kovacs

radio collapse: a communication system based on broadcasting electromagnetic waves; medium for communication; indicating radiation or radioactivity; "radiochemistry"; transmit messages via radio waves; "he radioed for help"

optics collapse: the branch of physics that studies the physical properties of light

elementary particle collapse: (physics) a particle that is less complex than an atom; regarded as constituents of all matter

radar collapse: measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

ray collapse: cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins; any of the stiff bony rods in the fin of a fish; a branch of an umbel or an umbelliform inflorescence; (mathematics) a straight line extending from a point; emit as rays; "That tower rays a laser beam for miles across the sky"

nucleus collapse: a part of the cell containing DNA and RNA and responsible for growth and reproduction; any histologically identifiable mass of neural cell bodies in the brain or spinal cord; the positively charged dense center of an atom; (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail

broadside collapse: the simultaneous firing of all the armament on one side of a warship; the whole side of a vessel from stem to stern; "the ship was broadside to the dock"; all of the armament that is fired from one side of a warship; toward a full side; "a broadside attack"; with a side facing an object; "the train hit the truck broadside"; "the wave caught the canoe broadside and capsized it"; collide with the broad side of; "her car broad-sided mine"

streamer collapse: a newspaper headline that runs across the full page; light that streams; "streamers of flames"

radiation collapse: the act of spreading outward from a central source; a radial arrangement of nerve fibers connecting different parts of the brain; the spread of a group of organisms into new habitats; energy that is radiated or transmitted in the form of rays or waves or particles; the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

haunch collapse: the loin and leg of a quadruped; the hip and buttock and upper thigh in human beings

edgewise collapse: as if by an edge; barely; "I could not get a word in edgewise"

hip collapse: either side of the body below the waist and above the thigh; the ball-and-socket joint between the head of the femur and the acetabulum; the fruit of a rose plant

sign off collapse: cease broadcasting; get off the air; as of radio stations

statics collapse: the branch of mechanics concerned with forces in equilibrium

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