| Answer | Crossword Clue |
|---|---|
| BAROMETER | Change indicator |
| NEE | Name change indicator |
| NEE | Name-change indicator |
| BAROMETER | Indicator of impending change |
| BAROMETER | Any indicator of change. |
| EKG | Change-of-heart indicator? |
| complexometric | as in complexometric indicator, an ionochromic dye that undergoes a definite color change in presence of specific metal ions |
