Last seen in:
Related Clues:
- With 43-Across, yttrium or scandium
- Like natural pearls
- Infrequent and underdone
- Not usual, remarkable
- Not plentiful, hard to find
- Infrequent like underdone meat
- Not plentiful
- Seldom seen or met
- Very scarce, hardly cooked
- Very scarce or undercooked
- Not ordinary or usual
- Very infrequent or scarce
- Not easily come by like undercooked meat
- Scarce or uncommon
- Not usual or ordinary