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 light bulb in the kitchen is much brighter; it emits 800 lumens. "La nouvelle ampoule dans la cuisine est beaucoup plus brillante ; elle émet 800 lumens.physicsenergyunitscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareLumière, cavitéThe cavity or channel within a tube or tubular organ."The doctor examined the lumens of the patient's intestines to look for any blockages. "Le médecin a examiné la lumière des intestins du patient pour rechercher d'éventuelles obstructions.anatomyorganphysiologymedicinebiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareLa lumièreThe cavity bounded by a plant cell wall."Under a microscope, the lumens of the plant cells looked like tiny empty compartments. "Au microscope, les lumières des cellules végétales ressemblaient à de minuscules compartiments vides.plantbiologypartChat with AIVocabulary GamePractice Reading
noun🔗ShareLumièreThe bore of a tube such as a hollow needle or catheter."The doctor checked the lumens of the IV catheter to make sure they weren't blocked. "Le médecin a vérifié la lumière du cathéter intraveineux pour s'assurer qu'elle n'était pas obstruée.medicineanatomyparttechnicaldeviceChat with AIVocabulary GamePractice Reading
