1. prophylactic   used as preventive for spread of disease.   sound or logically convincing.   pertaining to the moon.   pertaining to the abdomen.   Hint Half-n-half Clue   2. pulmonary   pertaining to the lungs.   pertaining to theory; not practical or applied.   pertaining to the moon.   devouring all food; not fastidious.   Half-n-half Clue   3. transient   pertaining to earthquakes.   harmful or poisonous.   pertaining to the body or physical.   for a short time or momentary.   Half-n-half Clue   4. mnemonic   suitable for drinking.   exact or accurate.   without parallel or equal; one of its kind.   pertaining to memory or memory-aid.   Half-n-half Clue   5. viscous   incomplete or biased.   melted.   pertaining to a semi-fluid sticky consistency.   of the third kind.   Half-n-half Clue   6. vitreous   short-sighted or lacking foresight.   opalescent or displaying rainbow-like colors.   dissolvable (in solvent) or solvable (of problem).   pertaining to glass and its characteristics.   Half-n-half Clue   7. ventral   pertaining to the abdomen.   echoing or resounding.   allowing light to pass freely; clearly apparent.   for a short time or momentary.   Half-n-half Clue