sector - Master This Word
Master this word with our 5-step learning method – Learn English in English
sector Word Meanings
- a distinct part of a larger system
- a division of an area or sphere
- a geometric figure bounded by two radii and an arc
sector Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
sector Phonetic & Pronunciation
UK
/ˈsɛk.tə/
US
/ˈsɛk.tər/
sector Word Etymology
sect- = to cut + -or = one who, thing that; from Latin 'sectus' which meaning 'cut'; Image: imagine a pie divided into pieces, each piece being a sector of the whole pie.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputEnglish Brain Route
I grip the edge of the map and slide my finger along the surface, moving from a busy block to a quieter corner as I move. I shift my attention to a specific area, the part that seems to run on its own rhythm. As I adjust my stance and tilt, the effort gathers and a decision feels forming in my chest. When I talk about it later, I keep returning to that slice of the plan, placing it where it belongs in the whole.
Real Context
Sector is a noun with several related senses. It can mean a distinct part of a larger system, such as a sector of the economy or a field of activity, or a division of an area or sphere like a residential sector. In geometry, a sector is the region bounded by two radii and an arc. The word comes from Latin sectus, meaning cut or divided. When you see sector, use context clues: economy, politics, or geography point to a sense of part or area, while a circle or circle-like diagram points to the geometric meaning. Common collocations include public sector, private sector, technology sector, and sectors of a city.
Usage Reminders
- 1) Remember the three main senses: part of a system, area/field, and a geometric region.
- 2) Use collocations like public sector or manufacturing sector.
- 3) Distinguish from section in both meaning and pronunciation.
- 4) Plural is sectors, not sectores.
- 5) Pronounce SEK-tor, stress on the first syllable.
- 6) Watch context in economics vs math.
Common Misconceptions
- Thinking sector only means a circular arc part in geometry
- Confusing sector with section or zone
- Using sector to mean any part of a city without a sense of sub-area
- Assuming sector always refers to the economy
- Pronouncing it as SET-tor instead of SEK-tor
Thinking Differences
Think of sector as a part of a larger system or economy, not just a circle or division. Learners often mix it with section or assume it always refers to money or business; be mindful of geometry contexts where it means a pie-shaped piece.
Learning Tips
- memorize three senses of sector
- learn common collocations (public/private/manufacturing sector)
- practice distinguishing economy vs geometry
- note plural form: sectors
- pronounce SEK-tor, stress on first syllable
- compare with section to avoid mixing
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of the word 'sector'?
A.A portion of a citrus fruit
B.A distinct part or branch of a larger entity
C.A region in outer space
D.An area in the military
Step 2: Usage
Which sentence uses the word 'sector' correctly?
A.The chef worked in the medical sector of the hospital.
B.I planted a sector of tulips in my garden.
C.The teacher taught algebra in the automotive sector of the school.
D.We went on a tour of the residential sector in the city.
Step 3: Similar Words
What is the most similar word to 'sector'?
A.Puzzle
B.Ocean
C.Division
D.Travel
Step 4: Opposite Words
What is the opposite of the word 'sector'?
A.Whole
B.Merge
C.Merge
D.Fraction
Step 5: Mastery
Can you give an example of a real-life scenario involving sectors?
A.My job involves different departments.
B.I work in a specific field of finance.
C.My daily routine is diverse.
D.I interact with a wide range of people.
Want to practice more words?
Download LexiTalk app for personalized learning experience
Download App