Diagonal: meaning, definitions and examples

🔳
Add to dictionary

diagonal

 

[ daɪˈæɡənəl ]

Adjective / Noun
Context #1 | Adjective

geometry

Joining two nonadjacent vertices of a polygon or polyhedron.

Synonyms

crosswise, oblique, slanting

Examples of usage

  • The diagonal of a square divides it into two congruent right triangles.
  • The diagonal of a cube connects two opposite vertices.
Context #2 | Noun

mathematics

A straight line that connects two opposite corners of a shape, such as a square or rectangle.

Synonyms

crossway, oblique line, transversal

Examples of usage

  • The diagonal of a rectangle divides it into two right triangles.
  • The diagonal of a cube passes through the center of the cube.

Translations

Translations of the word "diagonal" in other languages:

🇵🇹 diagonal

🇮🇳 तिरछा

🇩🇪 diagonal

🇮🇩 diagonal

🇺🇦 діагональ

🇵🇱 diagonalna

🇯🇵 斜め (ななめ)

🇫🇷 diagonale

🇪🇸 diagonal

🇹🇷 çapraz

🇰🇷 대각선 (daegakseon)

🇸🇦 قطري (qutri)

🇨🇿 diagonální

🇸🇰 diagonálny

🇨🇳 对角线 (duìjiǎoxiàn)

🇸🇮 diagonala

🇮🇸 skálína

🇰🇿 диагональ

🇬🇪 დიაგონალი (diagônali)

🇦🇿 diagonal

🇲🇽 diagonal

Etymology

The word 'diagonal' originated from the Greek word 'diagonios', meaning 'from angle to angle'. The concept of diagonals has been used in geometry for centuries to describe the lines that connect opposite corners of shapes. Diagonals play a crucial role in various mathematical calculations and geometric properties.

Word Frequency Rank

Position #8,540 indicates this is an advanced-level word. While not essential for basic communication, it will enhance your ability to understand and create more nuanced content.