| Answer | Crossword Clue |
|---|---|
| SPHT | Laboratory ratio: Abbr. |
| ATWTS | Laboratory measures: Abbr. |
| SPN | Laboratory sample: Abbr. |
| CSC | Math ratio: Abbr. |
| PCT | Certain ratio: Abbr. |
| COS | Trig ratio: Abbr. |
| COSEC | Trig ratio (Abbr.) |
| COS | Right triangle ratio: Abbr. |
| MPG | Distance-fuel ratio: Abbr. |
