powder dust
101pie-powder court — An ancient court of England. The curia pedis pulverizati or court of dusty feet which was said to have been so called from the dusty feet of its suitors, or as Coke thought, because justice was as swift there as dust falling from the feet, or… …
102Cupel dust — Cupel Cu pel (k[=u] p[e^]l), n. [LL. cupella cup (cf. L. cupella, small cask, dim. of cupa) : cf. F. coupelle. See {Cup}, and cf. {Coblet}.] A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime).… …
103chuckle-dust — n American any illicit drug in powder form. The phrase seems to originate from the early 1990s when it was used to refer to angel dust or cocaine and was subsequently also recorded among North London s choolboys in 1993 and 1994 …
104gold dust — UK / US noun [uncountable] gold in the form of a powder • like gold dust …
105gold dust — n. gold in very small bits or as a powder, the normal state in which it is found in placer mining …
106gold dust twins — noun plural Etymology: so called from the twin Negro boys depicted on the box of Gold Dust, a trademarked soap powder : a pair of inseparable and indefatigable workers …
107goofer dust — noun Etymology: goofer (II) : a powder or dust used in conjuration; especially : earth from a grave used for such purpose …
108coal dust — noun Coal in fine powder • • • Main Entry: ↑coal …
109goofer dust — noun a powder used to cast a spell …
110fairy dust — noun a) a magical powder that would give the power of flight to whoever it was sprinkled on b) any apparently magical ingredient or effect …