four-sided

Thân thiện

A child draws a four-sided shape on a piece of paper.

Definition

1. Adjective:
   • Having four sides: Describes a shape, object, or figure that is bounded by four straight lines or edges.

Usage

• The word "four-sided" is used to describe the geometric property of an object. It is typically placed before a noun (attributive position).
• Example: "A polygon is called a quadrilateral."

Examples

• Adjective:
  • The courtyard was a simple, four-sided space.
  • We need a four-sided frame for this painting.
  • A square is a special type of four-sided figure.

Advanced Usage

• In technical/geometric contexts: Often used interchangeably with "quadrilateral," though "quadrilateral" is more specific as a noun for the shape itself.
  • The architect designed a building with a unique four-sided base.

Variants and Related Words

• Quadrilateral (n. & adj.): A polygon with four sides and four angles. Can also be used as an adjective meaning "having four sides."
  • A rectangle is a common quadrilateral.
• Tetrahedral (adj.): Having four faces (typically triangular), used in three-dimensional geometry (e.g., a pyramid).
  • A tetrahedral shape has four triangular sides.

Synonyms

• Quadrilateral (when used as an adjective).
• Four-edged.

Antonyms

• Three-sided (triangular).
• Many-sided (polygonal).

Học thuật

Adjective

1. having four sides

Từ đồng nghĩa

• quadrilateral