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 ?
We hope that it's not going to come to a pitched battle, but in a sense we're preparing for one," he said.
As usual, Cairo+5--which convened to discuss implementation of the directives of the International Conference on Population and Development held in Cairo in 1994--was the site of a pitched battle between population controllers and prolife advocates, including two representatives of Campaign Life, Toronto.
A shinty match ended in a pitched battle yesterday, with players slugging it out on the pitch.
The pitched battle between olestra marketers and public health experts has even escalated to the World Wide Web.
Ironically, in Wynn's view, the October pogroms paved the way for the greatest show of worker political militance anywhere in Russia in December 1905: revolutionaries and skilled workers armed themselves to combat pogromists, and so were able to seize control of central Ekaterinoslav and many of the stations along the Ekaterinin railroad, and even to attempt to take on the military in pitched battle at Gorlovka.
Four workers died in a pitched battle at the Sicartsa steelmaking complex in the western state of Michoacan after police firing tear gas canisters confronted strikers.
She said she's reminded daily that the pitched battle waged decades ago was worth it.
A YOUTH football match was abandoned when a pitched battle involving more than 50 people broke out.
The intercepted radio messages helped persuade US military officials that bin Laden was likely in the area, where al Qaida forces are in a pitched battle with Afghan forces being helped by American and British special forces.
Gardai were called out after two gangs of Travellers got involved in a pitched battle in Ashbourne, Co Meath, early yesterday.
A pitched battle involving 200 British lager louts and police erupted on a holiday island.
It's almost humorous how much time was wasted on Boise State the past few days, when Cal and Texas are in a pitched battle for that final BCS spot.