1. residue from smelting operation.   indices   slag   prototype   torque   Hint Half-n-half Clue   2. amount produced or income earned.   whorl   yield   momentum   innovation   Half-n-half Clue   3. very tiny quantity.   repulsion   iota   spatula   log   Half-n-half Clue   4. speed or rate of motion.   satellite   mirage   velocity   pigment   Half-n-half Clue   5. tendency to drive back or distaste.   repulsion   kaleidoscope   whorl   incline   Half-n-half Clue   6. terms used in a science or discipline.   placebo   terminology   uniformity   objective   Half-n-half Clue   7. passing from one state to another.   microcosm   vise   strut   transition   Half-n-half Clue