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1

tar

play
noun \ˈtär\

Simple Definition of tar

  • : a very thick, black, sticky liquid made from coal that becomes hard when it cools and that is used especially for road surfaces

  • : a sticky substance that is formed by burning tobacco

Full Definition of tar

  1. 1a :  a dark brown or black bituminous usually odorous viscous liquid obtained by destructive distillation of organic material (as wood, coal, or peat)b :  a substance in some respects resembling tar; especially :  a condensable residue present in smoke from burning tobacco that contains combustion by-products (as resins, acids, phenols, and essential oils)

  2. 2 [short for tarpaulin] :  sailor

Examples of tar

  1. <a book about the adventurous lives of tars, skippers, and pirates of the 18th century>



Origin of tar

Middle English terr, tarr, from Old English teoru; akin to Old English trēow tree — more at tree


First Known Use: before 12th century

Other Chemical Engineering Terms

Rhymes with tar


2

tar

transitive verb

Definition of tar

tarredtar·ring

  1. 1 :  to cover with tar

  2. 2 :  to defile as if with tar <least tarred by the scandal — Newsweek>

tar and feather
  1. :  to smear (a person) with tar and cover with feathers as a punishment or indignity

tar with the same brush
  1. :  to mark or stain with the same fault or characteristic



13th Century

First Known Use of tar

13th century


3

tar

transitive verb \ˈtär\

Definition of tar

tarredtar·ringtars or tarres

  1. :  to urge to action —usually used with on



Variants of tar

or tarre play \ˈtär\

Origin of tar

Middle English terren, tarren, from Old English tyrwan


First Known Use: before 12th century


Tar

play
geographical name \ˈtär\

Definition of Tar

  1. river 215 miles (346 kilometers) NE North Carolina — see pamlico




Medical Dictionary

tar

play
noun \ˈtär\

Medical Definition of tar

  1. 1:  any of various dark brown or black bituminous usually odorous viscous liquids obtained by destructive distillation of organic material (as wood, coal, or peat); especially :  one used medicinally (as to treat skin diseases)—see coal tar, juniper tar, pine tar

  2. 2:  a substance in some respects resembling tar; especially :  a condensable residue present in smoke from burning tobacco that contains combustion by-products (as resins, acids, phenols, and essential oils)






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