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define tar and pitch

  • 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 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 Coal Tar Pitch? (with pictures) - wiseGEEK

    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 …


  • 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.


  • What is tar and pitch? - Quora

    Answer (1 of 3): 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 yieldstar as a byproduct and is an ancient method for the p...


  • 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.


  • 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.


  • 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.'


  • Tar - Wikipedia

    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 ...


  • 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 ...


  • Sap, Resin, and Pitch - What Are the Differences ...

    Sap. Sap is usually pretty watery, and it is, in fact, what pancake syrup is made of. Only the sap from a sugar maple tree is used for that. If you have ever cut green wood when pruning a tree or cutting fire wood, or maybe you carved your initials in a tree when you were a kid, then you probably saw sap in the form of a clear liquid at the cut site.


  • What is PITCH? and where is it mentioned in the Bible ...

    pitch "Pitch" meaning "covering" and "to cover over" —Hebrew: כֹּפֶר Hebrew transliteration: kopher or kaphar In the pre-Flood history recorded in Genesis 6, this word is used as both a verb (cover over) and a noun (a covering).Make thee an ark of gopher wood; rooms shalt thou make in the ark, and shalt pitch it within and without with pitch.


  • WikiZero | 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 ...


  • 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 ...


  • 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 ...


  • Tar and pitch financial definition of Tar and pitch

    pitch. The slope of a roof, sidewalk, or other surface. The Americans with Disabilities Act has specific requirements for the pitch of access ramps leading to building entrances. Example: Figure A has a 1:12 pitch because the slope rises 1 foot for every 12 feet of distance. Figure B has a 1:6 pitch.


  • Topical Bible: Tar

    1. (n.) A sailor; a seaman. 2. (n.) A thick, black, viscous liquid obtained by the distillation of wood, coal, etc., and having a varied composition according to the temperature and material employed in obtaining it.


  • Tar and pitch synonyms, Tar and pitch antonyms ...

    Synonyms for Tar and pitch in Free Thesaurus. Antonyms for Tar and pitch. 19 synonyms for tar: jack, jack-tar, mariner, navigator, sailor, sea dog, seafarer, seaman, salt, gob, pitch, Jack-tar, mariner, old salt, sea dog, seafarer.... What are synonyms for Tar and pitch?


  • 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.


  • Pitch | Definition of Pitch by Merriam-Webster

    Pitch definition is - a black or dark viscous substance obtained as a residue in the distillation of organic materials and especially tars. How to use pitch in a sentence. Synonym Discussion of pitch.


  • 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 ...


  • Coal tar Definition & Meaning | Dictionary.com

    Coal tar definition, a thick, black, viscid liquid formed during the distillation of coal, that upon further distillation yields compounds, as benzene, anthracene, and phenol, from which are derived a large number of dyes, drugs, and other synthetic compounds, and that yields a final residuum (coal-tar pitch ), which is used chiefly in making pavements.


  • 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...



  • 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 ...


  • 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.


  • Tar Pitch - an overview | ScienceDirect Topics

    Coal tar pitch is defined as the residue (nonvolatile at 450°C) from the distillation of coal tars produced by the high temperature pyrolysis (>1000°C) of coal.40 The molecular structure of coal tar pitches usually consists of an aromatic core with only a few methyl groups attached. In that sense, coal tar pitch is more aromatic and has a ...


  • tar - WordReference.com Dictionary of English

    tar - WordReference English dictionary, questions, discussion and forums. All Free. ... Chemistry coal-tar pitch. Chemistry smoke solids or components: cigarette tar. beat, knock, or whale the tar out of, [Informal.] to beat mercilessly: The thief had knocked the tar out of the old man and left him for dead.


  • 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 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 ...


  • 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.


  • 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 ...