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 ?
The GE Appliances refrigerators with Autofill Pitcher are available now with an MSRP ranging from $899-$999.
The pitcher whips his arm around and releases the ball at speeds of up to 160 kilometers (100 miles) per hour.
In order to determine the effect of herbivory on plant traits over the course of the growing season, May herbivore data were correlated with the changes in number of pitchers, height of the tallest pitcher and proportion of phyllodia.
If we see that a pitcher has thrown 80 or more pitches by the fifth inning, we know that we have a good shot at knocking him out of the game.
While Maddux's number has always been 31, he currently wears 36, which was once worn by Mike Morgan, the journeyman pitcher who during his stint with the Dodgers rode a groundball-inducing sinker to the All-Star game.
These authors suggest an intriguing economic explanation for this empirical regularity: since pitchers in the American League no longer have to bat and risk being hit by pitches themselves, they do not face the full cost of their actions when hitting opposing batters, leading to a classic moral hazard problem.
The 'DHL Presents the Major League Baseball Delivery Man of the Month Award' will become the gold standard for relief pitchers and an award our fans can look forward to hearing about every month throughout the season.
The Autofill Pitcher fits in one of GE s most popular refrigerators, the GTH18GC, an 18-cubic-foot model that s already in millions of homes, with the possibility of expanding the kit to fit more GE refrigerators.
Acquired shortstop Edgar Renteria and cash from the Braves for outfielder Gorkys Hernandez and pitcher Jair Jurrjens.
The front knee bends to absorb the shock and allow the pitcher to continue toward the target on a linear path.
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.