The most common and most likely answer to this crossword clue is the 4 letter word LAVA
L
A
V
A
More clues leading to the result LAVA
- Running rock festival’s last thing female wanted
- Miss Gardner, going on 50, is hot stuff!
- Mountain ash?
- Skirt molten rock engulfing a convenience
- Discharge from jail available
- Ground-rent deposit
- Hot fluid sounds like grub
- Molten rock found in Nilgiris Hill avalanche
- Initially, losing another village after Etna's flow
- 10’s output left covering northernmost part of island
Buddy explains!

The straight part
We know that "Molten rock" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case molten rock = lava.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LAVA mean?
LAVA noun- The molten rock ejected by a volcano from its crater or fissured sides.
- Magma.
- A shade of red, named after the volcanic lava.
- The molten rock ejected by a volcano from its crater or fissured sides.
- Magma.
- A shade of red, named after the volcanic lava.