[ So named after Julius Plücker, a German physicist. ] (Physics) (a) A vacuum tube, used in spectrum analysis, in which the part through which the discharge takes place is a capillary tube, thus producing intense incandescence of the contained gases. (b) Crookes tube. [ Webster 1913 Suppl. ]
[古琴, gǔ qínㄍㄨˇ ㄑㄧㄣˊ] guqin, a long zither with 5 or 7 strings, plucked with a plectrum; the ancestor of the long zither family, dating back to pre-classical times (playing it was an essential accomplishment of a Confucian gentleman)#31516
[三弦, sān xiánㄙㄢ ㄒㄧㄢˊ] sanxian, large family of 3-stringed plucked musical instruments, with snakeskin covered wooden soundbox and long neck, used in folk music, opera and Chinese orchestra#67571