cylinder
word
Definition
A cylinder is a shape with straight sides and two identical flat ends that are circles; it also refers to parts in machines that are shaped like this, such as in car engines or containers.
Usage & Nuances
"Cylinder" is common in math (geometry) and everyday items (like gas cylinders, engine cylinders). In mechanics, speaks of a chamber where parts move. Not to be confused with "circle" (flat shape) or "tube" (hollow and longer but not always flat-ended).
Example Sentences
A soda can is shaped like a cylinder.
basic
She drew a cylinder on the chalkboard.
basic
The car’s engine has four cylinders.
basic
Could you pass me that gas cylinder over there?
natural
The math problem asked us to calculate the volume of a cylinder.
natural
The old cylinder in our kitchen finally needs replacing.
natural