emission /emis·sion/ (e-mish´un)
emission
emission [e-mish´un]
emission
1. discharge (1).
2. an involuntary discharge of semen.
nocturnal emission reflex emission of semen during sleep.
positron emission a form of radioactive decay in which a positron (β+) and neutrino are ejected from the nucleus as a proton is transformed into a neutron. Collision of the positron with an electron causes annihilation of both particles and conversion of their masses into energy in the form of two 0.511 MeV gamma rays.
e·mis·sion ( -msh  n)n. A discharge of fluid from a living body, usually a seminal discharge. |
emission
[imish′ən]
Etymology: L, emittere, to send out
a discharge or release of something, as a fluid from the body, electronic signals from a radio transmitter, or an alpha or beta particle from an atomic nucleus during radioactive decay.
emission [e-mish´un]
1. a discharge.
2. an involuntary discharge of semen.
nocturnal emission reflex emission of semen during sleep.
thermionic emission the application of heat, such as to a filament, resulting in the emission of electrons and ions.
emission
a discharge.
emission
The release of a gas, fluid or solid. See Alpha emission Otoacoustic
emission.
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|