Collins COBUILD Advanced Learner's English Dictionary - sector

(sectors) Frequency: The word is one of the 1500 most common words in English. 1. A particular sector of a country’s economy is the part connected with that specified type of industry. ...the nation’s manufacturing sector. N-COUNT: supp N see also public sector, private sector 2. A sector of a large group is a smaller group which is part of it. Workers who went to the Gulf came from the poorest sectors of Pakistani society. N-COUNT: usu with supp 3. A sector is an area of a city or country which is controlled by a military force. Officers were going to retake sectors of the city. N-COUNT: usu with supp 4. A sector is a part of a circle which is formed when you draw two straight lines from the centre of the circle to the edge. (TECHNICAL) N-COUNT