電でん気き石せきでんきせきMeanings1nountourmalineA mineral name; often referred to by the loanword トルマリン in everyday contexts.See also: トルマリン電でん気き石せきは圧あつ力りょくを加くわえると電でん気きを帯おびる。Tourmaline becomes electrically charged when pressure is applied.
