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 ?
Thanks to Hitachi's proprietary PrecisionFocus technology with a multi-step dynamic focus gun, the 813 provides a super-fine dot pitch of 0.
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.
5mm dot pitch resolution, 14-bit grayscale processing and Lighthouse's M4 color and brightness correction systems provides excellent presentation quality in a cost-effective package.
25mm dot pitch clarity -- priced at $259 -- and the eView 17s touting a 16-inch viewable screen and 0.
Each model offers flicker-free refresh rates at the most commonly used resolutions, a tight dot pitch and some performance features that are typically only found on higher priced monitors.
22 horizontal dot pitch and a maximum resolution of 1600 x 1200 for clear images and optimal picture definition.