isósceles
/iˈsosθeles/
The Spanish word for "isosceles" is isósceles.
The term is an adjective used to describe geometric shapes, such as a triangle or a trapezoid, that have two sides of equal length.
Meaning: having two sides of equal length, used especially of an isosceles triangle or trapezoid (adj)
How does it change in a sentence?
isósceles is an invariable adjective, which means it does not change its form to reflect masculine or feminine gender.
How do you pronounce it?
/iˈsosθeles/
Did you know?
- While the word is spelled the same in English and Spanish, the Spanish pronunciation uses a 'th' sound for the 's' in Spain, making it sound like iso-thé-les.
- In Spanish, isósceles is categorized as an esdrújula word, a term for words where the stress falls on the third-to-last syllable. These words are remarkably consistent in Spanish because they almost always require a written accent mark.
- While some adjectives in Spanish change for plurality, isósceles stays the same in its written form even when describing multiple 'triángulos isósceles'.
Examples in context
- ¿Qué es un triángulo isósceles?What's an isosceles triangle?This sentence is useful for asking for a definition of an isósceles triangle.Tatoeba #9173353 by arh, translation #9176579 by DJ_Saidez
- El triángulo tiene dos lados iguales, por lo tanto, es un triángulo isósceles.The triangle has two equal sides, therefore, it is an isosceles triangle.
- El triángulo isósceles es aquel que tiene dos lados de igual longitud.The isosceles triangle is the one that has two sides of equal length.
- El dibujo muestra un triángulo isósceles.The drawing shows an isosceles triangle.
- Necesitamos trazar un trapecio isósceles en la pizarra.We need to draw an isosceles trapezoid on the board.
Example conversation
Two students are discussing a geometry assignment in a classroom.
- Alejandro¿Es este un triángulo isósceles, María?Is this an isosceles triangle, María?
- MaríaSí, Alejandro, tiene dos lados iguales.Yes, Alejandro, it has two equal sides.
- AlejandroPerfecto, lo anotaré en mi cuaderno.Perfect, I will write it down in my notebook.
- MaríaMuy bien, sigue con el siguiente ejercicio.Very well, continue with the next exercise.
Sources
- Wiktionary, “isosceles” translations and entries isósceles, CC BY-SA 4.0, dump of 2026-09-26.
- Example sentences: Tatoeba CC BY 2.0 FR.
