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Robby Lou's Learner's English-English Dictionary info

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*
tract
/tr&kt/
noun [countable]
1 (boiology)
a system of connected organs or passages in the body that work together to perform a particular function
▪ the digestive/respiratory/reproductive tract

▪ Smoking can damage the respiratory tract.
▪ The infection spread through the urinary tract.

2 a large area or stretch of land, especially one with the same physical features or used for a particular purpose 
(syn stretch)
▪ a tract of land

▪ She bought a tract of land to build a new school.
▪ The company plans to develop a tract of unused land.

3 a short printed piece of writing, especially about a political, religious, or moral subject, that is intended to persuade or influence people's opinions
▪ He wrote a politital tract criticizing the new policy.

▪ The activist distributed tracts to raise public awareness.
▪ The organization published a tract about environmental responsibility.

 

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