noun🔗ShareLumenIn the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm."The new desk lamp provides 800 lumens of light, making it much brighter for studying. "La nueva lámpara de escritorio proporciona 800 lúmenes de luz, lo que la hace mucho más brillante para estudiar.physicsenergytechnicalunitChat with AIVocabulary GamePractice Reading
noun🔗ShareLuzThe cavity or channel within a tube or tubular organ."The doctor inserted a small camera into the artery to examine the lumen for any blockages. "El médico insertó una pequeña cámara en la arteria para examinar la luz en busca de obstrucciones.anatomyorganphysiologymedicineChat with AIVocabulary GamePractice Reading
noun🔗ShareLuzThe cavity bounded by a plant cell wall."The plant cell's lumen, visible under the microscope, appeared as a clear space enclosed by the surrounding green cell wall. "La luz de la célula vegetal, visible bajo el microscopio, apareció como un espacio claro encerrado por la pared celular verde circundante.biologyplantpartstructureChat with AIVocabulary GamePractice Reading
noun🔗ShareLuz, lumenThe bore of a tube such as a hollow needle or catheter."The doctor checked the IV line to make sure the lumen wasn't blocked. "El médico revisó la vía intravenosa para asegurarse de que el lumen no estuviera bloqueado.medicineanatomypartdeviceChat with AIVocabulary GamePractice Reading