| Answer | Crossword Clue |
|---|---|
| isobutylenes | ISOBUTYLENE, an isomer of butylene used in the manufacture of synthetic rubber |
| Answer | Crossword Clue |
|---|---|
| isobutylenes | ISOBUTYLENE, an isomer of butylene used in the manufacture of synthetic rubber |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.