sector
- 01 B2 Upper Intermediate
a particular area of land or space that is controlled by a certain group.
a designated area or zone, especially one used for military or administrative purposes.
Simple“The city was divided into four sectors, each managed by a different team.”
In context“The peacekeeping forces were assigned to the northern sector to monitor the border and prevent further escalations of the conflict.”
- 02 C1 Advanced
a part of a circle that looks like a slice of pie.
the portion of a circle enclosed by two radii and an arc.
Simple“The teacher asked us to calculate the area of the shaded sector.”
In context“To determine the total area of the circular garden, we must first calculate the dimensions of each individual sector defined by the walking paths.”
- 03 C1 Advanced
a small section on a computer hard drive where data is stored.
a subdivision of a track on a magnetic disk or optical disc.
Simple“The computer could not read the file because of a bad sector on the disk.”
In context“The recovery software attempted to bypass the damaged sectors to retrieve the remaining data from the corrupted hard drive.”
- 04 C1 Advanced
one part of a flight journey, from one airport to the next.
a single leg of a flight involving one take-off and one landing.
Simple“The pilot flew three sectors today before finishing her shift.”
In context“The airline's scheduling software ensures that crew members do not exceed their maximum duty hours across multiple short-haul sectors.”
Usage sector agriculture · sector manufacturing · sector our auto
Borrowed from Latin sector.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.