rayo láser
/raʝo laseɾ/from spelling rulesmasculine
In Spanish, the phrase for "laser beam" is rayo láser.
The term rayo láser is used to refer to the light emitted from a laser.
Meaning: light from a laser (noun)
What does it mean word for word?
This phrase is composed of rayo (beam or ray) and láser (laser).
How does it change in a sentence?
The noun is masculine, so it uses the masculine article el as in el rayo láser. When making the phrase plural, only the noun is pluralized to become rayos láser.
How do you pronounce it?
/raʝo laseɾ/
Did you know?
- The word rayo is also the Spanish word for 'lightning bolt'. If you say un rayo without specifying láser, most people will think of a thunderstorm rather than a light beam.
- The Spanish word rayo is related to the English word 'radius'. Both descend from the Latin term for the spoke of a wheel.
- The word radio in Spanish can mean 'radio' as in the device, but it is also a direct 'doublet' of rayo, both coming from the same Latin root.
Examples in context
- El rayo láser es utilizado en cirugías oftálmicasThe laser beam is used in ophthalmic surgeries
- El haz de luz láser se utiliza en la tecnología de lectura de códigos de barrasThe laser beam is used in barcode reading technology
- El haz de luz láser brillante iluminó la noche estrelladaThe bright laser beam illuminated the starry night
- El rayo láser es muy brillante.The laser beam is very bright.
- No apuntes el rayo láser a los ojos.Do not point the laser beam at the eyes.
- Vimos un rayo láser en el cielo.We saw a laser beam in the sky.
Example conversation
Mateo and Lucía are watching a science demonstration.
- MateoMira ese rayo láser, Lucía.Look at that laser beam, Lucía.
- LucíaEs increíblemente preciso.It is incredibly precise.
- MateoEl rayo láser recorre toda la sala.The laser beam crosses the whole room.
- LucíaEs un espectáculo muy bonito.It is a very beautiful show.
Sources
- Wiktionary, “laser beam” translations and entries rayo láser, CC BY-SA 4.0, dump of 2026-09-26.
- IPA marked “from spelling rules” is derived from standard Spanish spelling, where Wiktionary gives none.
- Word origins: Wiktionary entries láser, rayo, CC BY-SA 4.0.
