pitch

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pitch

 [pich]
1. a dark, more or less viscous residue from distillation of tar and other substances.
2. any of various bituminous substances such as natural asphalt.
3. a resin from the sap of some coniferous trees.
4. the quality of sound dependent on the frequency of vibration of the waves producing it.

pitch

(pich),
A resinous substance obtained from tar after the volatile substances have been expelled by boiling.
Synonym(s): pix
[L. pix]

pitch

(pich)
1. a dark viscous residue from distillation of tar and other substances.
2. any of various bituminous substances such as natural asphalt.
3. a resin from the sap of some coniferous trees.
4. the quality of sound dependent principally on its frequency.

pitch

Etymology: ME, picchen
1 the highness or lowness of a tone or sound depending on the rate of vibration of the sound source.
2 (in helical computed tomography) the ratio of table advancement per 360-degree rotation of the x-ray tube to the detector collimator.

pitch

(pich)
Auditory perception of tone on a scale ranging from low to high, based on the frequency of vibration of the object emitting the tone. For the human voice, pitch relates to frequency of vibration of the vocal folds.
See: voice, frequency
[L. pix]

pitch

1. a dark, more or less viscous residue from distillation of tar and other substances.
2. natural asphalt of various kinds.
3. the quality of sound dependent on the frequency of vibration of the waves producing it

coal tar pitch

Patient discussion about pitch

Q. What causes high pitch ringing in one ear?

A. I never knew that about Iron. Thank you F3_4u

More discussions about pitch
References in periodicals archive ?
In April of this year, Hakodate Racecourse also ordered a 15 m x 8 m display featuring an 8 mm dot pitch for the paddock area.
28mm dot pitch and maximum non-interlaced resolution of 1280 x 1024 at 65Hz.
The CM17MV adopts a fine dot pitch CRT with a dynamic focus lens providing users with clear, crisp graphics and text, and achieving the sharpest focus at each point and corner of the screen.
26mm dot pitch and non-glare screen contribute to crisp images.
5mm dot pitch resolution, the P12-ER allows more images, graphics and text to be displayed on 25mm panels.
28 dot pitch and an Invar shadow mask that allows sustained high brightness levels without the adverse "doming" effects.
The curved LED (light emitting diode) screen, which complements the unique contours of the casino and features a 6mm dot pitch, offers sharp images from almost any viewing angle.