noun🔗Shareالجسيمات النانويةAny microscopic particle less than about 100 nanometers (nm) in diameter. In aerosol science, the term is often reserved for particles less than 50 nm in diameter; the term "ultrafine particles" is used for particles less than 100 nm in diameter."Sunscreen contains nanoparticles that help protect your skin from the sun's harmful rays. "تحتوي واقيات الشمس على جسيمات نانوية تساعد على حماية بشرتك من أشعة الشمس الضارة.materialsciencetechnologyphysicschemistryenvironmentChat with AIVocabulary GamePractice Reading
