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 ?
A pitcher, A water valve, A water line, Water line connections, All other components required to install.
As the pitcher steps forward, his arms swing apart.
To learn more about the Pitchers Eye visit them on the web at http://www.
Billy Beane wouldn't play for one run; he would try to put pressure on the opponent by making the starting pitcher throw lots of pitches and by putting up multiple runs early in the ball game.
It makes him, as shortstop Rafael Furcal says, ``the easiest pitcher to play defense with'' and, for the rest of us, a joy to watch.
A third observation emerging from Table I is the rarity with which pitchers are struck by [TABULAR DATA FOR TABLE II OMITTED] pitched balls: over the four years of data presented, on only 50 occasions was a pitcher hit, or less than 13 times per year.
At the conclusion of the season, Major League Baseball fans will have the opportunity to determine which relief pitcher had the best overall season through the "DHL Presents the Major League Baseball Delivery Man of the Year Award.
The last pitcher to win the award was the Oakland Athletics' Dennis Eckersley in 1992.
We expect the pitcher to release the ball consistently from the same release point.
Take the Nepenthes bicalcarata, a species of pitcher plant: The pitchers are attached to the plant's leaves by a fat, hollow tendril--the perfect home for a small ant colony.
Pitcher is the third person to be charged with defrauding financial institutions in connection with the purchase of condominiums at Old Colony Lane.
As a pitcher gains control, I move the pole over to the right or left, see Photo 2.