interfere /in-tər-fērˈ/

1. To intervene
2. To come in the way, obstruct
3. To interpose
4. To meddle
5. (of a horse) to strike a foot against the opposite leg in walking
6. (of waves, rays of light, etc) to act reciprocally

interfērˈence noun

1. The act of interfering
2. The effect of combining similar rays of light, etc (physics)
3. The distortion of a wireless or television signal by others or by natural disturbances

interferential /-fər-enˈshl/ adjective

interfērˈer noun

interfērˈing adjective

interfērˈingly adverb

interfērˈogram noun (physics)

A photographic or diagrammatic record of interference

interfēromˈeter noun

1. An instrument which, by observing interference fringes, makes precision measurements of wavelengths, wave speeds, angles, distances, etc
2. A radio telescope (radio interferometer) using two or more antennas spaced at known intervals and linked to a common receiver, one of its applications being the precise determination of the position of sources of radio waves in space

interfērometˈric adjective

interfērometˈrically adverb

interfēromˈetry noun

interfērˈon noun

Any of several proteins produced by cells infected with a virus and having the ability to inhibit viral growth

interference figure noun

A figure observed when a crystal section is viewed between crossed nicols

interference fit noun (engineering)

A fit between two parts which requires force on assembly to expand the outer or contract the inner

interference fringes plural noun

Alternate light and dark bands seen when similar beams of light interfere

interference microscopy noun

A method of microscopy in which the phase changes caused by differences in the optical path within the specimen can be measured or made visible

interfere with

1. To meddle in
2. To get in the way of, hinder
3. To assault sexually

run interference (chiefly N American)

1. In team sports, to hinder opposing players while a teammate is in possession of the ball or puck
2. To assist someone by obstructing his or her opponents

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