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Ellipse Meaning: Definition, Examples, and Translations

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ellipse

[ɪˈlɪps ]

Definitions

Context #1 | Noun

geometry

An ellipse is a geometric shape that looks like a flattened circle. It is defined as the set of all points in a plane such that the sum of the distances to two fixed points is constant.

Synonyms

elliptical, oblong, oval.

Which Synonym Should You Choose?

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Word Description / Examples
ellipse

Used in mathematical or scientific contexts to refer to a specific geometric shape characterized by two focal points.

  • The properties of an ellipse are often used in astronomy to describe planetary orbits.
  • The equation of an ellipse is derived from its geometric definition.
oval

Commonly used in everyday language to describe shapes that resemble stretched circles; often used in art, design, and describing everyday objects.

  • She wore a beautiful necklace with an oval pendant.
  • The children ran around an oval track during gym class.
oblong

Describes something that is longer in one direction than in the other, often used for objects that are vaguely rectangular but with rounded edges.

  • The conference table was an oblong shape to accommodate more people.
  • He handed her an oblong package wrapped in brown paper.
elliptical

Often used to describe objects or forms that resemble an ellipse in shape but are not precisely an ellipse; can also be used in a figurative sense to describe speech or writing that is indirect or ambiguous.

  • The artist drew an elliptical shape to represent the planet.
  • Her elliptical remarks made it difficult to understand her true intentions.

Examples of usage

  • The orbits of planets around the sun are often described as ellipses.
  • The shape of an ellipse can be altered by changing the distance between the two fixed points.
Context #2 | Noun

mathematics

In mathematics, an ellipse is a curve on a plane surrounding two focal points such that the sum of the distances to the two focal points is constant for every point on the curve.

Synonyms

elliptical, oblong, oval.

Which Synonym Should You Choose?

arrow down
Word Description / Examples
ellipse

Used in mathematical and technical contexts to describe a specific shape.

  • The orbit of the Earth around the Sun is an ellipse.
  • In geometry class, we learned how to calculate the area of an ellipse.
oval

Used to describe a rounded, elongated shape that resembles an egg. Commonly used in everyday language to describe shapes of objects, faces, or designs.

  • The mirror had a beautiful oval frame.
  • She picked an oval gemstone for her ring.
oblong

Used to describe an object or shape that is longer than it is wide, often with rounded ends. Commonly used in everyday conversation to describe shapes of household items or body parts.

  • The table had an oblong top, making it perfect for the narrow dining room.
  • His face had an oblong shape, giving him a distinctive look.
elliptical

Used to describe something that has the shape or characteristics of an ellipse. Also used metaphorically to refer to something that is indirect or obscured.

  • The runner followed an elliptical track around the park.
  • Her explanation was so elliptical that I couldn't understand the main point.

Examples of usage

  • The equation of an ellipse in the Cartesian coordinate system is (x-h)^2/a^2 + (y-k)^2/b^2 = 1.
  • Ellipses are often studied in conic sections in mathematics courses.

Translations

To see the translation, please select a language from the options available.

Origin of 'ellipse'

The word "ellipse" originates from the Greek word "elleipsis," meaning a deficiency or a falling short. The term was first introduced by the ancient Greek mathematician Apollonius of Perga in his work on conic sections. Ellipses have been studied and used in mathematics and geometry since ancient times, with applications in astronomy, engineering, and other fields.

See also: elliptical.

Word Frequency Rank

With rank #15,325, this word belongs to specialized vocabulary. While not common in everyday speech, it enriches your ability to express complex ideas.