laser
1. a device that emits coherent light through stimulated emission of radiation
The surgeon used a laser to remove the tumor with precision.
O cirurgião usou um laser para remover o tumor com precisão.
2. a concentrated beam of light produced by such a device
The laser cut through the metal like butter.
O laser cortou o metal como se fosse manteiga.
3. used attributively to describe technology or equipment utilizing lasers
laser printer, laser eye surgery
impressora a laser, cirurgia ocular com laser
The word 'laser' is an acronym (Light Amplification by Stimulated Emission of Radiation) that has become a standard term in both English and Portuguese. In Brazil, it's commonly used in medical contexts (dermatology, ophthalmology), industrial manufacturing, and consumer products like laser printers and pointer devices. The term is fully naturalized in Portuguese without needing translation.
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