How to Say "laser beam" in Spanish
The Spanish word for “laser beam” is “láser” — A2 level. This is a very common word in everyday Spanish.

Examples
El cirujano usó un láser para hacer el corte preciso.
The surgeon used a laser to make the precise cut.
Necesitas un lector de láser para escanear el código de barras.
You need a laser reader to scan the barcode.
Compramos un puntero láser para las presentaciones.
We bought a laser pointer for the presentations.
Gender of Technical Nouns
Even though 'láser' is an imported word, it is always treated as masculine in Spanish, so you must use 'el' or 'un' before it (e.g., 'el láser').
Misspelling
Mistake: “Using 'laser' (without the accent mark).”
Correction: In Spanish, the accent is required on the 'á' (láser) because the stress falls on the first syllable, breaking the normal stress rules for words ending in 'r'.
Related Translations
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.