1. size or extent.   magnitude   velocity   touchstone   log   Hint Half-n-half Clue   2. record of daily activities.   vent   kaleidoscope   log   iota   Half-n-half Clue   3. partly lighted shadow.   perimeter   inconsistency   touchstone   penumbra   Half-n-half Clue   4. center of turbulence or whirling motion.   suture   quagmire   insomnia   vortex   Half-n-half Clue   5. substance or liquid that dissolves solute.   solvent   momentum   vent   velocity   Half-n-half Clue   6. universal remedy or cure-all.   repulsion   perimeter   panacea   virus   Half-n-half Clue   7. topmost point or summit.   log   vertex   placebo   projectile   Half-n-half Clue