1. cutting for analysis or examination.   Hint First letter clue   2. disproportion or lack of balance.   First letter clue   3. machine to separate substances by spinning.   First letter clue   4. chemistry of changing baser metals into gold.   First letter clue   5. unit for measuring weight of gems and purity of gold.   First letter clue   6. channel for fluid flow or aqueduct.   First letter clue   7. failure to tally or lack of consistency.   First letter clue