positron emission tomography PET | using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain) |
emission emanation | the act of emitting, causing to flow forth |
exhaust exhaust system | system consisting of the parts of an engine through which burned gases or steam are discharged |
exhaust fan | a fan that moves air out of an enclosure |
exhaust manifold | a manifold that receives exhaust gases from the cylinders and conducts them to the exhaust pipe |
exhaust pipe | a pipe through which burned gases travel from the exhaust manifold to the muffler |
exhaust valve | a valve through which burned gases from a cylinder escape into the exhaust manifold |
field-emission microscope | electron microscope used to observe the surface structure of a solid |
hood exhaust hood | metal covering leading to a vent that exhausts smoke or fumes |
positron emission tomography scanner PET scanner | a tomograph that produces cross-sectional Xays of metabolic processes in the body |
emission | the occurrence of a flow of water (as from a pipe) |
emission spectrum | spectrum of electromagnetic radiation emitted by a self-luminous source |
infrared infrared light infrared radiation infrared emission | electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves |
radio wave radio emission radio radiation | an electromagnetic wave with a wavelength between . cm to , m |
discharge emission expelling | any of several bodily processes by which substances go out of the body, the discharge of pus |
emission | the release of electrons from parent atoms |
field emission | the emission of electrons that are stripped from parent atoms by a high electric field |
nocturnal emission | ejaculation during sleep (usually during a dream) |
photoelectric emission | the release or absorption of quanta above a certain energy level |
secondary emission | the emission of electrons from a surface that is bombarded by higher energy primary electrons |
thermionic emission thermal emission | the emission of electrons from very hot substances |
exhaust exhaust fumes fumes | gases ejected from an engine as waste products |
discharge emission | a substance that is emitted or released |
greenhouse gas greenhouse emission | a gas that contributes to the greenhouse effect by absorbing infrared radiation |
exhaust wash up beat tucker tucker out | wear out completely, This kind of work exhausts me, I'm beat, He was all washed up after the exam |
exhaust discharge expel eject release | eliminate (a substance), combustion products are exhausted in the engine, the plant releases a gas |
exhaust | use up the whole supply of, We have exhausted the food supplies |
consume eat up use up eat d deplete exhaust run through wipe out | use up (resources or materials), this car consumes a lot of gas, We exhausted our savings, They run through bottles of wine a week |
run down exhaust play out sap tire | deplete, exhaust one's savings, We quickly played out our strength |