nounnounadjective

el mellizo

twin

Persona o animal nacido del mismo parto que otro, con gran parecido físico pero no idéntico al cien por cien.

Definition & meaning

The word mellizo primarily refers to one of two or more siblings born at the same time from the same pregnancy.

In a strict biological sense, it is often used to distinguish fraternal twins (dizygotic) from identical twins. Fraternal twins develop from two separate eggs fertilized by two different sperm cells. Because of this, they share about 50% of their DNA, just like regular siblings, and can be of the same or different sexes.

In common, everyday Spanish, the word is frequently used as a synonym for any type of twin, though in many regions, people use gemelo for identical twins and mellizo specifically for fraternal ones.

Additionally, the term can be used as an adjective to describe two things that are very similar, identical, or designed to go together as a pair.

Grammar & Word origin

Grammar:

  • Part of speech: It can function as both a noun and an adjective.
  • Gender and number: It follows standard Spanish gender rules. The masculine form is mellizo, the feminine is melliza, and the plurals are mellizos and mellizas.
  • Usage: When used as an adjective, it must agree in gender and number with the noun it modifies (e.g., habitaciones mellizas - twin rooms).

Word origin: The word derives from the Vulgar Latin gemellicius, which is an extension of the Latin word gemellus (the diminutive of geminus, meaning "twin" or "double"). Over time, the initial "g" sound shifted to an "m" in the transition from Latin to Old Spanish.

Synonyms & antonyms

Synonyms:

  • gemelo (twin)
  • doble (double)
  • parejo (even or matching)
  • igual (equal or same)

Antonyms:

  • único (only or unique)
  • solo (alone)
  • diferente (different)
  • distinto (distinct)

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Examples

Mi mellizo y yo tenemos cinco años.noun

My twin and I are five years old.

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