1. missile or shell.   virus   turbulence   synthesis   projectile   Hint Half-n-half Clue   2. noxious exhalation from swamps and putrid matter.   psychosis   trough   iota   miasma   Half-n-half Clue   3. stone to test gold alloys; criterion.   touchstone   uniformity   slag   microcosm   Half-n-half Clue   4. representation on a miniature scale.   inconsistency   increment   microcosm   refraction   Half-n-half Clue   5. lowest point in wave; shallow receptacle.   trough   spectrum   phenomenon   kaleidoscope   Half-n-half Clue   6. passing from one state to another.   indices   transition   momentum   spectrum   Half-n-half Clue   7. supporting bar in framework or pompous walk.   objective   vent   strut   parallelism   Half-n-half Clue