scanning | the act of systematically moving a finely focused beam of light or electrons over a surface in order to produce an image of it for analysis or transmission |
laser-assisted subepithelial keratomileusis LASEK | a refractive surgery procedure that reshapes the cornea |
laser trabecular surgery | eye surgery that makes many tiny laser burns in an area that will increase the drainage of aqueous humor |
laser-assisted in situ keratomileusis LASIK | a refractive surgery procedure that reshapes the cornea |
balance beam beam | a gymnastic apparatus used by women gymnasts |
beam | long thick piece of wood or metal or concrete, etc., used in construction |
beam | the broad side of a ship, they sighted land on the port beam |
beam balance | a balance consisting of a lever with two equal arms and a pan suspended from each arm |
box beam box girder | a beam built up from boards, has a hollow rectangular cross section |
I-beam | girder having a cross section resembling the letter `I' |
laser optical maser | an acronym for light amplification by stimulated emission of radiation, an optical device that produces an intense monochromatic beam of coherent light |
laser-guided bomb LGB | a smart bomb that seeks the laser light reflected off of the target and uses it to correct its descent, laser-guided bombs cannot be used in cloudy weather |
laser printer | electrostatic printer that focuses a laser beam to form images that are transferred to paper electrostatically |
steelyard lever scale beam scale | a portable balance consisting of a pivoted bar with arms of unequal length |
tie tie beam | a horizontal beam used to prevent two other structural members from spreading apart or separating, he nailed the rafters together with a tie beam |
beam | (nautical) breadth amidships |
finger scan finger scanning | biometric identification by automatically scanning a person's fingerprints electronically |
iris scanning | biometric identification by scanning the iris of the eye, the structure of the iris is very distinctive |
retinal scanning | biometric identification by scanning the retina of the eye, identification by retinal scanning is complicated by eye movements |
radio beam beam | a signal transmitted along a narrow path, guides airplane pilots in darkness or bad weather |
beam-ends | (nautical) at the ends of the transverse deck beams of a vessel, on her beam-ends means heeled over on the side so that the deck is almost vertical |
beam beam of light light beam ray ray of light shaft shaft of light irradiation | a column of light (as from a beacon) |
beam ray electron beam | a group of nearly parallel lines of electromagnetic radiation |
high beam | the beam of a car's headlights that provides distant illumination |
laser beam | a beam of light generated by a laser |
low beam | the beam of a car's headlights that provides illumination for a short distance |
particle beam | a collimated flow of particles (atoms or electrons or molecules) |
ion beam ionic beam | a beam of ions moving in the same direction at the same speed |
scanning | the process of translating photographs into a digital form that can be recognized by a computer |
beam | smile radiantly, express joy through one's facial expression |
air send broadcast beam transmit | broadcast over the airwaves, as in radio or television, We cannot air this X-rated song |
beam | express with a beaming face or smile, he beamed his approval |
glow beam radiate shine | experience a feeling of well-being or happiness, as from good health or an intense emotion, She was beaming with joy, Her face radiated with happiness |
glow beam radiate shine | have a complexion with a strong bright color, such as red or pink, Her face glowed when she came out of the sauna |
shine beam | emit light, be bright, as of the sun or a light, The sun shone bright that day, The fire beamed on their faces |
low-beam(a) | used of headlights, following with low-beam headlights |