Crossword clues for X, Y or Z:ABCSThey end with "x, y, z"ALGEBRAx + y = z math branchVOLW-X-Y-Z for an encyclopedia, maybe: Abbr.SET{x, y, z}, for exampleALGEBRAx + y = z studyGENStart for X, Y, Z or AlphaGENLead-in to X, Y, and ZGENX, Y, or Z introLETTERX, Y or Z.GENPreceder of X, Y or ZLOWERCASELETTERx, y or zAXISx, y or z followerVITAMINA, B or C, but not X, Y or ZMATHEXAMIt might involve x, y and zNOTESA, B and C, but not X, Y and ZGENWhat comes before X, Y and ZGENX, Y or ZGENShortened word before X, Y or ZAXISLine labelled x, y, or z, in mathXXXPreceder of X, Y or ZAXESx, y, and z in mathAXISX, Y or ZGENLead-in to X, Y or ZAXISx, y or z, in geometryNOTEA, B or C, but not X, Y or ZAXISX, Y or Z, for exampleGENX, Y or Z, for exampleAXESX, Y, and ZAXISX, Y or Z lineGRAPHSSome have x, y and z axesGENWord before X, Y or ZUNKNOWNSThey're often represented by x, y and zAXISx, y or z, on a 3-D graphAXESx, y and z on a graph, perhapsAXESX, Y and Z, usuallyAXISX or Y or ZAXESx, y and sometimes zONEDLike the x-, y- or z-axis