{ } n. (Min.) A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic. [ 1913 Webster ]
[连珠 / 連珠, lián zhūㄌㄧㄢˊ ㄓㄨ] joined as a string of pearls; in rapid succession; alignment; Renju, a Japanese game, also called Gomoku or five-in-a-row#53010
[对牛弹琴 / 對牛彈琴, duì niú tán qínㄉㄨㄟˋ ㄋㄧㄡˊ ㄊㄢˊ ㄑㄧㄣˊ] to play the lute to a cow (成语 saw); fig. offering a treat to a unappreciative audience; to cast pearls before swine; caviar to the general; to preach to deaf ears; to talk over sb's head#66338
[鼎铛玉石 / 鼎鐺玉石, dǐng chēng yù shíㄉㄧㄥˇ ㄔㄥ ㄩˋ ㄕˊ] lit. to use a sacred tripod as cooking pot and jade as ordinary stone (成语 saw); fig. a waste of precious material; casting pearls before swine#800926
[amimechouchouuo] (n) pearlscale butterflyfish (Chaetodon xanthurus, Western Pacific species found from Indonesia and the Philippines north to the Ryukyu Islands); Philippines chevron butterflyfish; orange butterflyfish; netted butterflyfish; yellow-tailed butterflyfish