Nujol
/ˈnjuːdʒɒl/noun
mass noun
- (trademark in the US) a paraffin oil used as an emulsifying agent in pharmacy and for making mulls in infrared spectroscopy（美国商标）纽加尔医药润滑油（一种石蜡油, 在制药业中用作乳化剂, 在红外光谱学中用于制作红外光谱用的细布）。
词源
early 20th cent.: perhaps from New J（ersey）， site of the original manufacturing company， + Latin oleum 'oil'.