| Answer | Crossword Clue |
|---|---|
| lenticle | a double convex mass |
| lenticles | LENTICLE, a double convex mass |
| ogees | double curve, resembling the letter S, formed by the union of a concave and a convex line |
| ogee | double curve, resembling the letter S, formed by the union of a concave and a convex line |
| deuterium | heavy hydrogen, an isotope of hydrogen of double mass |
| deuteriums | DEUTERIUM, heavy hydrogen, an isotope of hydrogen of double mass |
