Meaning & Definition of word "Cylinder"

to

arrow

    Cylinder

    /ˈsɪlɪndər/

    noun:

    • 1. A three-dimensional solid consisting of two parallel bases connected by a curved surface at a fixed distance from the center of the bases.
      • Example: The engineer designed a cylinder to hold the compressed gas.
    • 2. A geometric shape defined by a circular base and a height.
      • Example: The volume of the cylinder can be calculated using the formula πr²h.
    • 3. A hollow tube or chamber, often part of a machine or mechanism.
      • Example: The car's engine contains several cylinders for efficient combustion.
    • 4. A container for holding liquids or gases, typically with a circular cross-section.
      • Example: The gas cylinder needs to be secured to prevent it from falling over.

    Etymology

    from Latin 'cylindrus' and Greek 'kylindros', meaning 'roller'.

    Common Phrases and Expressions

    cylinder head:

    The top part of an engine cylinder that contains the combustion chamber and valves.

    cylinder lock:

    A type of lock with a cylindrical mechanism.

    Related Words

    ellipse:

    A shape that is like a stretched circle, often related to the cross-section of a cylinder.

    cone:

    A three-dimensional geometric figure with a circular base tapering smoothly to a point.

    Slang Meanings of cylinder

    Meaning: A term used in some contexts to refer to a canister or container.

    Example Sentence: Pass me that cylinder of spray paint.