| ATTENTIONSPAN | Measure of concentration of teapot's tannin, perhaps |
| INTENSITY | Level of concentration, of physical exercise perhaps (9) |
| TITRE | Standard strength or degree of concentration of a solution |
| TITER | Standard strength or degree of concentration of a solution as established by titration |
| PERCENT | Line drawn between circles as measure of concentration (3,4) |
| DENSELY | See studies starting with a measure of concentration |
| PPM | Measure of concentration: Abbr. |
| PER | Parts ___ million (measure of concentration) |
| SPOUTS | Drainpipes or gargoyles; nozzles, sparklers or swan necks for dispensing beer; pouring tubes of teapots; or, the blowholes or blowings of whales (6) |
| ERUPT | Clean around top of teapot's spout (5) |
| CORKY | Tasting of tannin, said of wine |
| SPOUT | Make speech; part of teapot |
| TUTORSHIP | Instruction on lid of teapot: pour this out (9) |
| CHINA | Tea bags in this type of teapot? (5) |
| POTPOURRI | Take middle of teapot, pour, rinse and find dried flower mixture |
| BARK | A word for the abrupt cry of a dog; the tannin-rich covering of a tree trunk; a poetic word for a boat; or, fruit-and-nut-topped chocolate broken into jagged pieces |
| SUMAC | Source of lacquer, varnish, or tannin |
| CATECHU | Dark extract of some Indian plants rich in tannin (7) |
| TASTE | Flavour of tea's tannin to begin with (5) |
| TANNIC | Astringent / tasting of tannin |
