| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| This process gives rubber greater strength & durability | vulcanization | $1,200 | DJ | 13-LETTER WORDS | 2015-11-20 | #7175 | |
| The process of treating rubber with sulfur & heat to improve its elasticity & strength | vulcanization DD | $3,200 | DJ | 13-LETTER WORDS | 2012-10-03 | #6448 | |
| A rubber-treatment process, or turning into Mr. Spock's kin | vulcanization | $1,200 | DJ | 13-LETTER WORDS | 2007-04-17 | #5212 |