منزل •tar and pitch define

tar and pitch define

  • Frequently Asked Questions - Historic Jamestowne Part of ...

    QUESTION: Why is it called the Pitch and Tar Swamp? ANSWER: Pitch and tar can be found in pine trees. The English attempted to extract the pitch and tar from the pine trees found in swampy Jamestown, hence the name "Pitch and Tar Swamp." They used the pitch, tar, and the pine trees themselves to build ships.

  • Tar | Definition of Tar by Merriam-Webster

    Tar definition is - a dark brown or black bituminous usually odorous viscous liquid obtained by destructive distillation of organic material (such as wood, coal, or peat). How to use tar in a sentence.

  • Strong's Hebrew: 2203. זָ֫פֶת (zepheth) -- pitch

    NAS: it over with tar and pitch. Then she put KJV: it with slime and with pitch, and put INT: and covered tar and pitch put the child. Isaiah 34:9 HEB: וְנֶהֶפְכ֤וּ נְחָלֶ֙יהָ֙ לְזֶ֔פֶת וַעֲפָרָ֖הּ לְגָפְרִ֑ית NAS: will be turned into pitch, And its loose earth KJV: thereof shall be turned ...

  • tar and pitch | Infoplease

    tar and pitch. tar and pitch, viscous, dark-brown to black substances obtained by the destructive distillation of coal, wood, petroleum, peat, and certain other organic materials. The heating or partial burning of wood to make charcoal yields tar as a byproduct and is an ancient method for the production of both tar and pitch.

  • What is a Tar Heel? | UNC General Alumni Association

    The term "tar heel" dates back to North Carolina's early history, when the state was a leading producer of supplies for the naval industry. Workers who distilled turpentine from the sticky sap of pine trees and burned pine boughs to produce tar and pitch often went barefoot during hot summer months and undoubtedly collected tar on their ...

  • CPC Definition - C10C WORKING-UP PITCH, ASPHALT, BITUMEN ...

    Definition statement. Working-up, e.g.processing, of tar, pitch, asphalt or bitumen, including use of techniques such as distillation, heat-treatment, water removal or extraction with selective solvents. Working up implies improvement of the material. Production of pyroligneous acid.

  • EnWik > Tar

    Terminology "Tar" and "pitch" can be used interchangeably; asphalt (naturally occurring pitch) may also be called either "mineral tar" or "mineral pitch".There is a tendency to use "tar" for more liquid substances and "pitch" for more solid (viscoelastic) substances.Both "tar" and "pitch" are applied to viscous forms of asphalt, such as the asphalt found in naturally occurring tar pits (e.g ...

  • Pitch (resin) - Wikipedia

    Look up pitch in Wiktionary, the free dictionary. Pitch is a viscoelastic polymer which can be natural or manufactured, derived from petroleum, coal tar, or plants. Various forms of pitch may also be called tar, bitumen, or asphalt. Pitch produced from plants is also known as resin. Some products made from plant resin are also known as rosin .

  • Petroleum Pitch | Koppers

    Petroleum pitch is an alternative and supplement to coal tar pitch. The PAH level is up to 10 times lower then coal tar pitch without considerable lowering of the carbon content. Petroleum pitch is used for the production of refractory bricks, clay pigeons and as an impregnation pitch for graphite electrodes.

  • TAR English Definition and Meaning | Lexico.com

    'The tar and stone mixture layer was found to be less than the prescribed 7 mm.' 'The space between each pair of deck planks in a wooden ship was filled with a packing material called 'oakum' and then sealed with a mixture of pitch and tar.'

  • Coal Tar and Coal-Tar Pitch - Cancer-Causing Substances ...

    Coal tar is derived from coal. It is a byproduct of the production of coke, a solid fuel that contains mostly carbon, and coal gas. Coal tar is used primarily for the production of refined chemicals and coal-tar products, such as creosote and coal-tar pitch. Certain preparations of coal tar have long been used to treat various skin conditions ...

  • Tar and pitch | Article about tar and pitch by The Free ...

    The terms tar and pitch are loosely applied to the many varieties of the two substances, sometimes interchangeably. For example, asphalt, which is naturally occurring pitch, is called mineral tar and mineral pitch. Tar is more or less fluid, depending upon its origin and the temperature to which it is exposed. Pitch tends to be more solid.

  • bitumen | mining | Britannica

    Bitumen is also frequently called tar or pitch—though, properly speaking, tar is a byproduct of the carbonization of coal and pitch is actually obtained from the distillation of coal tar. Bitumen is defined by the U.S. Geological Survey as an extra-heavy oil with an API gravity less than 10° and a viscosity greater than 10,000 centipoise.

  • Pitch Definition and Meaning - Bible Dictionary

    Pitch. A thick, dark, sticky substance. For it is the day of the LORD's vengeance, and the year of recompenses for the controversy of Zion. And the streams thereof shall be turned into PITCH, and the dust thereof into brimstone, and the land thereof shall become burning PITCH. ( Isaiah 34:8-9) Source: A King James Dictionary. (Used with permission.

  • What does Pitch mean? - definitions

    Definition of Pitch in the Definitions.net dictionary. Meaning of Pitch. What does Pitch mean? ... Rate this definition: pitch. Tar and coarse resin boiled to a fluid yet tenacious consistence. It is used in a hot state with oakum in caulking the ship to fill the chinks or intervals between her planks. Also, in steam navigation, the distance ...

  • pitch | chemical compound | Britannica

    pitch, in the chemical-process industries, the black or dark brown residue obtained by distilling coal tar, wood tar, fats, fatty acids, or fatty oils.. Coal tar pitch is a soft to hard and brittle substance containing chiefly aromatic resinous compounds along with aromatic and other hydrocarbons and their derivatives; it is used chiefly as road tar, in waterproofing roofs and other structures ...

  • What does TAR mean? - Definitions for TAR

    Definition of TAR in the Definitions.net dictionary. Meaning of TAR. What does TAR mean? ... Rate this definition: pitch, tar noun. any of various dark heavy viscid substances obtained as a residue. mariner, seaman, tar, Jack-tar, Jack, old salt, seafarer, gob, sea dog verb. a man who serves as a sailor.

  • Tar Sand - an overview | ScienceDirect Topics

    Tar sand bitumen is a high-boiling material with little, if any, material boiling below 350°C (660°F) and the boiling range approximately equivalent to the boiling range of an atmospheric residuum. In order to correct deficiencies in nomenclature of tar sand formations and tar sand bitumen, in the United States, tar sands have been defined (FE-76-4) as

  • What is Coal Tar Pitch? (with pictures)

    Coal tar pitch is a byproduct of coke production. While there may be hundreds of different chemicals in coal tar pitch, phenols and polycyclic aromatic hydrocarbons make up two large classes of chemicals. Phenols are a complex classification of molecules that are typically very caustic and often harmful even in …

  • Ridiculous KJV Bible Corrections - The Pitch of Noah's Ark

    Hava's Arabic dictionary, which is another Classical dictionary, defines zift as: Pitch, pine-resin. Bitumen used as a remedy. Note that bitumen is not a shipbuilding product in the latter definition. Lane's Arabic dictionary defines zift as meaning pitch or tar, a produce of the pine, or pitch-tree.

  • Tar and pitch | definition of Tar and pitch by Medical ...

    tar [tahr] a dark brown or black viscid liquid from the wood of various species of pine, or found as a by-product of the destructive distillation of bituminous coal (see coal tar). It is a complex mixture, the source of organic substances such as cresol, creosol, naphthalene, paraffin, phenol, and toluene. Formerly used as an oral medication in ...

  • What is the difference between pine tar, pine pitch, and ...

    Answer (1 of 3): A quick search online brings me to this definition: Resin: Resin is the liquid which is stored in the outer cells of trees. When a tree is injured, resin will ooze out and clog the wound – just like our blood clots to heal a wound. There are also synthetic resins. When you colle...

  • Pine Tar; History And Uses

    Kiln burned Pine Tar 773. General: Golden brown pine tar produced according to the old kiln method from stumps of the pine tree Pinus Silvestris,.Also known as "peasant made" tar. This type of tar is characterized by high resin content ( rosin acids and retene), low content of pitch and high purity, i.e. free from soot and other impurities.

  • The Archaeology and History of Bitumen - ThoughtCo

    Bitumen deposits occur naturally throughout the world--the best known are Trinidad's Pitch Lake and the La Brea Tar Pit in California, but significant deposits are found in the Dead Sea, Venezuela, Switzerland, and northeastern Alberta, Canada. The chemical composition and consistency of these deposits vary significantly.

  • Tar pitch | definition of tar pitch by Medical dictionary

    tar [tahr] a dark brown or black viscid liquid from the wood of various species of pine, or found as a by-product of the destructive distillation of bituminous coal (see coal tar). It is a complex mixture, the source of organic substances such as cresol, creosol, naphthalene, paraffin, phenol, and toluene. Formerly used as an oral medication in ...

  • Pitch vs. Tar | History Undusted

    The distinction between pitch and tar is that the former is denser, more solid, while tar is more of a liquid form. So, it seems, that's all the difference between the two terms comes down to: Viscosity. And that brings me full circle in understanding the idiom to "toe the line": The "line" was the strip of weather-proofing between a ...

  • tar pitch in a sentence - tar pitch sentence

    tar pitch in a sentence - Use tar pitch in a sentence and its meaning 1. "Coal tar pitch " is a carcinogen, forbidden by code in some areas. 2. Coal tar pitch is often confused with asphalt and asphalt with coal tar pitch. click for more sentences of tar pitch...

  • Tar pitch - definition of tar pitch by The Free Dictionary

    Define tar pitch. tar pitch synonyms, tar pitch pronunciation, tar pitch translation, English dictionary definition of tar pitch. n. 1. A dark, oily, viscous material, consisting mainly of hydrocarbons, produced by the destructive distillation of organic substances such as wood, coal,...

  • What is the difference between tar and pitch? | WikiDiff

    As nouns the difference between tar and pitch is that tar is (uncountable) a black, oily, sticky, viscous substance, consisting mainly of hydrocarbons derived from organic materials such as wood, peat, or coal or tar can be (computing) a program for archiving files, common on unix while pitch is a sticky, gummy substance secreted by trees; sap or pitch can be a throw; a toss; a cast, as of ...

  • Tar kiln - findatwiki.com

    Terminology "Tar" and "pitch" can be used interchangeably; asphalt (naturally occurring pitch) may also be called either "mineral tar" or "mineral pitch".There is a tendency to use "tar" for more liquid substances and "pitch" for more solid (viscoelastic) substances.Both "tar" and "pitch" are applied to viscous forms of asphalt, such as the asphalt found in naturally occurring tar pits (e.g ...