Related Clues:
- Like depleted uranium
- Packed with ideas, as an essay
- Practically impenetrable
- Strong, as feelings
- Passionate in what may be present
- Ardent, forceful
- Hard to get through
- Thick, like fog
- Deep in the past, for example
- Seriously concerned with how decimals work, close to innumerate
- Concentrated on getting tin seen about
- It's even in liquid that's concentrated
- Keen for decimal point
- Thick wooded valley around the point
- Concentrated on home numbers -that's about 5