1. deducible   breakable or fragile.   based on experiment, not theory.   inferred by reasoning; derived as conclusions.   that corrodes or burns; biting or sarcastic.   Hint Half-n-half Clue   2. concave   salty or saline.   opposite or inverted in relation or order.   of interior curvature or hollow.   damp or moist.   Half-n-half Clue   3. congruent   flying or radiating from a center.   corresponding or in harmony.   arranged in gradations (e.g., of difficulty).   based on induction or general inference from instances.   Half-n-half Clue   4. determinate   basic or essential.   impenetrable or unpassable.   having cilia or minute hairs.   having a fixed order or nature.   Half-n-half Clue   5. immune   not concentric or odd.   cold like ice.   secure or resistant to.   basic or essential.   Half-n-half Clue   6. derivative   concerned with nutrition.   periodic shedding (of leaves).   cross-bred or mongrel.   of a derived kind or obtained from another source.   Half-n-half Clue   7. biennial   diverse or mixed.   two-year long or every two years.   leading to absence of pain.   uncertain or not fixed   Half-n-half Clue