1. product of mass and velocity for a moving body; impetus.   momentum   terminology   lumen   molecule   Hint Half-n-half Clue   2. substance that causes solid matter in solution to deposit.   precipitant   torque   stratum   objective   Half-n-half Clue   3. thick-skinned animal (or person).   lumen   spectrum   pachyderm   repulsion   Half-n-half Clue   4. missile or shell.   whorl   projectile   incline   sextant   Half-n-half Clue   5. substance which provides nourishment.   nutrient   psychosis   serendipity   pestle   Half-n-half Clue   6. violent disturbance or agitation.   refraction   turbulence   nomenclature   log   Half-n-half Clue   7. sameness or consistency.   increment   incline   uniformity   synthesis   Half-n-half Clue