1. perigee   point in moon's orbit nearest from earth.   substance which provides nourishment.   vertebrate animal whose female suckles the young.   flying reptile now extinct.   Hint Half-n-half Clue   2. synthesis   coloring agent.   combining elements to produce whole system.   residue from smelting operation.   tool with edgeless blade for mixing and spreading.   Half-n-half Clue   3. panacea   record of daily activities.   sameness or consistency.   universal remedy or cure-all.   poisonous element that communicates infection.   Half-n-half Clue   4. mirage   navigational instrument for angular measurements.   pointers or indications.   optical illusion due to atmospheric conditions.   bending of a ray of light due to change in density.   Half-n-half Clue   5. strut   supporting bar in framework or pompous walk.   mental disorder.   reasoning with major premise, minor premise and conclusion.   optical illusion due to atmospheric conditions.   Half-n-half Clue   6. vent   small outlet or inlet.   thick-skinned animal (or person).   substance that causes solid matter in solution to deposit.   dependence (of organisms) that is mutually beneficial.   Half-n-half Clue   7. miasma   noxious exhalation from swamps and putrid matter.   dependant or small heavenly body revolving round large one.   capability to be shaped and molded.   product of mass and velocity for a moving body; impetus.   Half-n-half Clue