分ぶん子し線せんぶんしせんMeanings1nounmolecular beamphysicsTechnical term in physics for a collimated stream of molecules, often used in spectroscopy and surface science.分ぶん子し線せんエピタキシーは半はん導どう体たい製せい造ぞうに使つかわれる。Molecular beam epitaxy is used in semiconductor manufacturing.
