Definition

1. Noun:
   • Cylinder: A hollow, cylindrical part, especially in an engine, where a piston moves back and forth. This is the primary and most common meaning.

Usage Examples

• Noun:
  • Động cơ xe này có bốn xi lanh. (This car's engine has four cylinders.)
  • Pít-tông di chuyển lên xuống bên trong xi lanh. (The piston moves up and down inside the cylinder.)
  • Anh thợ máy đang kiểm tra xi lanh. (The mechanic is checking the cylinder.)

Advanced Usage

• Technical Context: In mechanical and automotive engineering, "xi lanh" specifically refers to the chamber in an internal combustion engine where fuel is ignited to drive the piston.
  • Thể tích xi lanh là một thông số kỹ thuật quan trọng. (Cylinder displacement is an important technical specification.)

Variants and Related Words

• Xi-lanh: An alternative spelling with a hyphen, equally common.
• Ống xi lanh: A more descriptive term, literally "cylinder tube."
• Buồng đốt (Combustion chamber): A related term for the part of the cylinder where fuel ignition occurs.
• Động cơ xi lanh đơn / nhiều xi lanh (Single-cylinder / Multi-cylinder engine): Common compound terms describing engine types.

Synonyms

• Ống trụ: Literally "cylindrical tube." This is a more general geometric term and is less specific to engines than "xi lanh."

Notes on Meaning

• The word "xi lanh" is a loanword from French (). It is almost exclusively used in technical contexts related to machinery, engines, and pneumatics/hydraulics. It does not commonly refer to other cylindrical objects like cans or containers in everyday Vietnamese; words like ống (tube/pipe) or hộp (box/can) are used instead.

noun

1. - cylinder