Dictionary

1tar

noun \ˈtär\

: 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
a :  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
[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

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous

Rhymes with TAR

2tar

transitive verb
tarredtar·ring

Definition of TAR

1
:  to cover with tar
2
:  to defile as if with tar <least tarred by the scandal — Newsweek>
tar and feather
:  to smear (a person) with tar and cover with feathers as a punishment or indignity
tar with the same brush
:  to mark or stain with the same fault or characteristic

First Known Use of TAR

13th century

3tar

transitive verb \ˈtär\
tarredtar·ringtars or tarres

Definition of TAR

:  to urge to action —usually used with on

Variants of TAR

tar or tarre \ˈtär\

Origin of TAR

Middle English terren, tarren, from Old English tyrwan
First Known Use: before 12th century

Tar

geographical name \ˈtär\

Definition of TAR

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

tar

noun \ˈtär\   (Medical Dictionary)

Medical Definition of TAR

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
:  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)
May 27, 2015
riot act Hear it
a vigorous reprimand or warning
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