round shape

Thân thiện

A child draws a round shape on a piece of paper.

Definition

Noun: A shape that is curved and without sharp angles; a form characterized by a continuous, smooth boundary that is equidistant from a central point or appears to be.

Usage

• As a subject: "The round shape of the wheel allows it to roll smoothly."
• As an object: "The artist carefully sketched a perfect round shape."
• With a preposition: "The cookies were cut into a round shape."

Examples

• "A coin typically has a round shape."
• "Bubbles often form a round shape due to surface tension."
• "The full moon appears as a bright round shape in the night sky."

Advanced Usage

• In geometry: While "round shape" is a general term, in precise contexts, it can refer to a circle (a two-dimensional round shape where all points are equidistant from the center) or a sphere (a three-dimensional round shape).
  • Example: "The planet is not a perfect sphere, but from space, it appears as a round shape."
• In description: Used to describe the contour or outline of an object that lacks corners or edges.
  • Example: "The pebble had been worn by the water into a smooth round shape."

Variants and Related Words

• Circle (n): A perfectly round two-dimensional shape.
• Sphere (n): A perfectly round three-dimensional object.
• Oval (n): An elongated round shape; an ellipse.
• Circular (adj): Having the form of a circle.
• Spherical (adj): Having the form of a sphere.
• Curved (adj): Having a bend that is not angular.

Synonyms

• Circle
• Circular form
• Curved form
• Disc shape (for a flat, round object)

Antonyms

• Square shape
• Angular shape
• Polygonal shape

Học thuật

Noun

1. a shape that is curved and without sharp angles