| Answer | Crossword Clue |
|---|---|
| TRACE | Barely perceptible amount |
| WEE | Barely perceptible |
| LIMINAL | Barely perceptible |
| FAINT | Barely perceptible |
| TINY | Barely perceptible |
| distinguishes | Manage to discern (something barely perceptible) |
| detected | Discern (something intangible or barely perceptible) |
| distinguish | Manage to discern (something barely perceptible) |
| detecting | Discern (something intangible or barely perceptible) |
