XENOCRYSTnoun71 findersAn isolated crystal having a different origin than the igneous rock in which it is found; the mineralogical equivalent of a xenolith.

XEROPHYTEnoun42 findersAny plant suited for life in a habitat where water is scarce, such as in a desert or chaparral. Such plants may be succulent, have small or reduced leaves, or spines.

XEROPHYTISMnoun61 findersThe adaptation of plants to habitats where water is scarce.

XIPHOSURANnoun46 findersAny member of the order Xiphosura, including horseshoe crabs.

XYLOCHROMEnoun22 findersA kind of dye derived from the tannin in wood.

XYLOGENSnoun23 findersNascent wood; wood cells in a forming state.

XYLOGRAPHnoun196 findersAn engraving in wood or woodcut, especially one used in printing predating the Western tradition (14th c.).

XYLOIDadjective109 findersCharacteristic of wood; woody

XYLOMETERnoun28 findersAn instrument used to determine the specific gravity of wood.

XYLOPHAGEnoun116 findersAny living organism that feeds on wood.

XYLOPHAGOUSadjective86 findersFeeding on wood. (of insects etc.)

XYLOPHONICadjective374 findersOf or pertaining to a xylophone.

XYLOPHONISTnoun120 findersSomeone who plays a xylophone.

XYLORIMBAnoun28 findersA pitched percussion instrument corresponding to a xylophone with an extended range.

YACHTSWOMANnoun53 findersA woman who sails a yacht.

YUPPIEISHadjective1 finderAlternative form of yuppyish.

ZEOLITICadjective12 findersOf, pertaining to, containing, or produced using a zeolite.

ZYGAENIDnoun1 finderAny member of the moth family Zygaenidae.