| Answer | Crossword Clue |
|---|---|
| monocyclic | having one whorl or ring |
| isocyclic | having or being a ring consisting of only one element |
| cycloolefin | a hydrocarbon containing a ring having one or more double bonds |
| cycloolefins | CYCLOOLEFIN, a hydrocarbon containing a ring having one or more double bonds |
| monocyclic | Having one ring of atoms in its molecule |
| pyran | either of two compounds having the formula C5H6O, containing one oxygen and five carbon atoms arranged in a six-membered ring |
| pyrans | either of two compounds having the formula C5H6O, containing one oxygen and five carbon atoms arranged in a six-membered ring |
