クヌーセンセルMeanings1nounKnudsen cellcrystallography›A specialized term in crystallography and vacuum technology; refers to a small enclosure with a tiny orifice used to produce a molecular beam or measure vapor pressure.クヌーセンセルは分ぶん子し線せんエピタキシーでよく使つかわれる。Knudsen cells are often used in molecular beam epitaxy.