tract
- 01 B2 Upper Intermediate
a large area of land, especially one that is not built on.
an expansive area or stretch of land, often used in the context of development or natural geography.
Simple“The company bought a large tract of land to build a new housing estate.”
In context“Conservationists are fighting to protect this vast tract of untouched forest from industrial logging and agricultural expansion.”
- 02 B2 Upper Intermediate
a system of connected organs in the body that have a specific job.
a system of connected organs and structures that perform a collective physiological function.
Simple“Drinking plenty of water is good for your digestive tract.”
In context“The patient was diagnosed with an infection of the upper respiratory tract, requiring a course of targeted antibiotics.”
- 03 C1 Advanced
a short piece of writing, usually a booklet, that explains a religious or political idea.
a brief treatise or pamphlet, typically one used for religious or political persuasion.
Simple“He spent his weekends handing out religious tracts on the street corner.”
In context“The library archives contain several radical political tracts published during the late eighteenth century that influenced the revolutionary movement.”
- 04 C2 Proficiency
“The human body is teeming with more than 35 trillion bacteria, coexisting in microbiomes inside the gut, mouth, lungs, skin and urogenital tract.”
“One possibility is that working together improves movement through the reproductive tract.”