LASER
n. countablen. Stands for Light Amplification by Stimulated Emission of Radiation. A device that produces a very narrow and powerful beam of light. Used in everything from medical tools to simple office pointers. Now usually written 'laser' since the acronym has faded into common use.
n. Abbreviation for Light Amplification by Stimulated Emission of Radiation. A device that generates an intense beam of coherent monochromatic light by the stimulated emission of photons. The original acronym has been fully lexicalised — modern usage writes the lowercase 'laser' as a common noun.
The doctor uses a laser to fix the patient's vision.
The engineer used a high-powered laser to cut through the thick steel plate with extreme precision.
Advancements in laser technology have revolutionized surgical procedures, allowing for minimally invasive techniques that significantly reduce recovery times and the risk of infection.
Often used as a modifier before other nouns, such as 'laser printer' or 'laser surgery'.