noun🔗Share루멘In 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. "부엌의 새 전구는 훨씬 더 밝습니다. 800 루멘을 방출합니다.physicsenergyunitscienceChat with AIVocabulary GamePractice Reading
noun🔗Share강, 내강The cavity or channel within a tube or tubular organ."The doctor examined the lumens of the patient's intestines to look for any blockages. "의사는 막힌 곳이 있는지 확인하기 위해 환자의 장 내강을 검사했습니다.anatomyorganphysiologymedicinebiologyChat with AIVocabulary GamePractice Reading
noun🔗Share강The cavity bounded by a plant cell wall."Under a microscope, the lumens of the plant cells looked like tiny empty compartments. "현미경으로 보면, 식물 세포의 강이 작고 빈 구획처럼 보였다.plantbiologypartChat with AIVocabulary GamePractice Reading
noun🔗Share내강The 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. "의사는 IV 카테터의 내강이 막히지 않았는지 확인하기 위해 검사했습니다.medicineanatomyparttechnicaldeviceChat with AIVocabulary GamePractice Reading
