The most common and most likely answer to this crossword clue is the 14 letter word NITROGLYCERINE
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More clues leading to the result NITROGLYCERINE
Buddy explains!
The straight part
We know that "Explosive liquid" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case explosive liquid = nitroglycerine.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 NITROGLYCERINE mean?
NITROGLYCERINE noun- The compound glyceryl-tri-nitrate or 1,2,3 tri-nitrooxy propane; the ester of glycerol with nitric acid; prepared by the careful addition of a mixture of nitric and sulphuric acids to glycerol with constant stirring and cooling; it is a thick, pale yellow liquid, that is highly explosive on concussion or on exposure to sudden heat; it is used in medicine as a vasodilator, and as an explosive in the form of dynamite which is safe to handle.