X-

X-

1. (non-SI metric prefix) Abbreviation of English xenna-

   Coordinate terms: x-, Xi-

• x-
• X
• xis

Back-formation from X-búrguer.

X- m

1. (informal, Brazil, cooking) Combined with a relevant filling to form the name of a burger or other fast food item.

   ‎X- + ‎salada (“salad”) → ‎X-salada (“burger with salad”)

   ‎X- + ‎tudo (“everything”) → ‎X-tudo (“burger with everything”)

• Derived words are generally spelled hyphenated.