1. quadruped   quantity that can be defined or that can limit.   change or introduction of novelties.   animal with four feet.   lowest point in wave; shallow receptacle.   Hint Half-n-half Clue   2. spectrum   sameness or consistency.   band of colors formed when light passes though a prism.   coloring agent.   substance that causes solid matter in solution to deposit.   Half-n-half Clue   3. patina   small outlet or inlet.   green coating on old bronze.   twisting force producing rotation.   optical illusion due to atmospheric conditions.   Half-n-half Clue   4. stratum   sameness or consistency.   incompatibility or lack of uniformity.   noxious exhalation from swamps and putrid matter.   layer of earth's crust or society.   Half-n-half Clue   5. touchstone   different form of an element.   animal or plant living in or on another; sycophant.   outer boundary for closed figure.   stone to test gold alloys; criterion.   Half-n-half Clue   6. magnitude   pattern with balance or harmony.   reasoning with major premise, minor premise and conclusion.   size or extent.   center of turbulence or whirling motion.   Half-n-half Clue   7. vortex   center of turbulence or whirling motion.   capability to be shaped and molded.   point in moon's orbit nearest from earth.   breathing.   Half-n-half Clue