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Definition of Interference

Babylon English Dictionary

act of impeding or obstructing; scrambling of waves or signals (Physics, Electronics); something which scrambles waves or signals (Physics, Electronics); blocking of an opposing player (Sports)
Interference Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
The mutual influence, under certain conditions, of two streams of light, or series of pulsations of sound, or, generally, two waves or vibrations of any kind, producing certain characteristic phenomena, as colored fringes, dark bands, or darkness, in the case of light, silence or increased intensity in sounds; neutralization or superposition of waves generally.
  
(n.)
The act or state of interfering; as, the stoppage of a machine by the interference of some of its parts; a meddlesome interference in the business of others.
  
(n.)
The act or state of interfering, or of claiming a right to the same invention.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

interference
\in`ter*fer"ence\ (?), n. [see interfere.]
1. the act or state of interfering; as, the stoppage of a machine by the interference of some of its parts; a meddlesome interference in the business of others.
2. (physics) the mutual influence, under certain conditions, of two streams of light, or series of pulsations of sound, or, generally, two waves or vibrations of any kind, producing certain characteristic phenomena, as colored fringes, dark bands, or darkness, in the case of light, silence or increased intensity in sounds; neutralization or superposition of waves generally.
note: the term is most commonly applied to light, and the undulatory theory of light affords the proper explanation of the phenomena which are considered to be produced by the superposition of waves, and are thus substantially identical in their origin with the phenomena of heat, sound, waves of water, and the like.
3. (patent law) the act or state of interfering, or of claiming a right to the same invention.
interference
figures (optics), the figures observed when certain sections of crystallized bodies are viewed in converging polarized light; thus, a section of a uniaxial crystal, cut normal to the vertical axis, shows a series of concentric colored rings with a single black cross; -- so called because produced by the interference of luminous waves.
interference
fringe. (optics) see fringe.
interference
n
1. a policy of intervening in the affairs of other countries [syn: intervention]
[ant: nonintervention, nonintervention]

2. the act of hindering or obstructing or impeding [syn: hindrance]


3. electrical or acoustic activity that can disturb communication [syn: noise, disturbance]


4. the act of blocking someone's path with your body (as in football); "he threw a rolling block into the line backer" [syn: blocking, block]


5. any obstruction that impedes or is burdensome [syn: hindrance, hitch, preventive, preventative, encumbrance, incumbrance]




  similar words(3) 



 interference figures 
 interference fringe 
 radio frequency interference 
English Phonetics

www.interactiveselfstudy.com
WordNet 2.0

Noun
1. a policy of intervening in the affairs of other countries
(synonym) intervention
(antonym) nonintervention, noninterference
(hypernym) foreign policy
(derivation) intervene, step in, interfere, interpose
2. the act of hindering or obstructing or impeding
(synonym) hindrance
(hypernym) act, human action, human activity
(hyponym) frustration, thwarting, foiling
(derivation) interfere
3. electrical or acoustic activity that can disturb communication
(synonym) noise, disturbance
(hypernym) trouble
(hyponym) clutter
4. (American football) the act of obstructing someone's path with your body; "he threw a rolling block into the line backer"
(synonym) blocking, block
(hypernym) obstruction
(hyponym) trap block
(classification) American football, American football game
5. any obstruction that impedes or is burdensome
(synonym) hindrance, hitch, preventive, preventative, encumbrance, incumbrance
(hypernym) obstruction, obstructor, obstructer, impediment, impedimenta
(hyponym) clog
Interference Definition from Science & Technology Dictionaries & Glossaries
General Chemistry Glossary
Compare with constructive interference and destructive interference .The amplitudes of waves moving into the same region of space add to produce a single resultant wave. The resultang wave can have higher or lower amplitude than the component waves. See constructive interference and destructive interference .
Telecommunication Standard Terms
1. In general, extraneous energy, from natural or man-made sources, that impedes the reception of desired signals. 2. A coherent emission having a relatively narrow spectral content, e.g., a radio emission from another transmitter at approximately the same frequency, or having a harmonic frequency approximately the same as, another emission of interest to a given recipient, and which impedes reception of the desired signal by the intended recipient. Note: In the context of this definition, interference is distinguished from noise in that the latter is an incoherent emission from a natural source (e.g., lightning) or a man-made source, of a character unlike that of the desired signal (e.g., commutator noise from rotating machinery) and which usually has a broad spectral content. 3. The effect of unwanted energy due to one or a combination of emissions, radiation, or inductions upon reception in a radiocommunication system, manifested by any performance degradation, misinterpretation, or loss of information which could be extracted in the absence of such unwanted energy. [NTIA] [RR] (188 ) 4. The interaction of two or more coherent or partially coherent waves, which interaction produces a resultant wave that differs from the original waves in phase, amplitude, or both. Note: Interference may be constructive or destructive, i.e., it may result in increased amplitude or decreased amplitude, respectively. Two waves equal in frequency and amplitude, and out of phase by 180°, will completely cancel one another. In phase, they create a resultant wave having twice the amplitude of either interfering beam. (188 )
Dictionary of Automotive Terms
Difference in angle between mating surfaces of a valve and a valve seat .
ASTRONOMY UNBOUND
of electromagnetic radiation of the same wavelength . The phenomenon by which two coherent waves (that is one wave split into two but originally from a single source) superimpose themselves one upon the other. The resultant pattern (by the Principle of Superposition) is the algebraic sum of the patterns of each wave. If the two waves are exactly in phase, so the crests coincide, perfect reinforcement occurs, and if the two are 180° out of phase, that is the crest of one coincides with the trough of the other, complete destructive interference pertains (see Figure).
Interference Definition from Computer & Internet Dictionaries & Glossaries
GemStone III Glossary
n. A spell on the Major Spiritual spell circle. Details are as follows.
Spell #: 212
Spell code: interfere
Effect: -15 to the AS of the target. Subject to a spirit warding roll.
Duration: 3 seconds/level
Cumulative Duration? No.
Self-Cast Only? No.
Interference Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Interference may refer to:

Natural sciences and medicine
  • Interference (communication), anything which alters, modifies, or disrupts a message as it travels along a channel
    • Electromagnetic interference (EMI), disturbance that affects an electrical circuit due to either electromagnetic induction or electromagnetic radiation emitted from an external source
    • Co-channel interference (CCI), also known as crosstalk
    • Adjacent-channel interference (ACI), interference caused by extraneous power from a signal in an adjacent channel
    • Intersymbol interference (ISI), distortion of a signal in which one symbol interferes with subsequent symbols
    • Inter-carrier interference (ICI), caused by doppler shift in OFDM modulation
  • Interference (genetic), a phenomenon by which a chromosomal crossover in one interval decreases the probability that additional crossovers will occur nearby
  • Interference (wave propagation), in physics (optics), the superposition of two or more waves resulting in a new wave pattern
    • Thin-film interference, a phenomenon that occurs when incident light waves reflected by the upper and lower boundaries of a thin film interfere with one another to form a new wave
  • Interference fit, two items attempting to occupy the same space
  • Interference ripples, a type of sedimentary structure made up of two sets of ripples formed at right-angles to each other as a result of there being two dominant paleocurrents
  • RNA interference, a process within living cells that moderates the activity of their genes
  • Statistical interference, a method of determining when one distribution of values exceeds another
  • Vaccine interference, interaction between two or more vaccines mixed in the same formulation

See more at Wikipedia.org...
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Interference Definition from Law Dictionaries & Glossaries
USPTO Patent and Trademark Glossary
a proceeding, conducted before the Board of Patent Appeals and Interferences (Board), to determine priority of invention between a pending application and one or more pending applications and/or one or more unexpired patents

-- see MPEP 2300 for more

Context: Patent 
By the United States Patent and Trademark Office
Interference Definition from Society & Culture Dictionaries & Glossaries
Environmental Engineering (English ver.)
A change in the water level of one well caused by the pumping at another well. The condition occurring when the area of influence of a water well comes into contact with or overlaps that of a neighboring well, as when two wells are pumping from the same aquifer or are located near each other.
Interference Definition from Medicine Dictionaries & Glossaries
A Basic Guide to ASL
The left hand, fingers together and palms flat, is held before the body, facing somewhat down. The little finger side of the right hand, held with palm flat, makes on or several up-down chopping motions against the left hand, between its thumb and index finger.