The most common and most likely answer to this crossword clue is the 6 letter word NITRIC
I've seen this crossword clue in The Guardian
N
I
T
R
I
C
More clues leading to the result NITRIC
- From dark heap picked up a sort of acid
- Relating to an element from piece Rick picked up
- Kind of acid remark heard by those leaving Casablanca bar?
- Like some chemical container overturned, getting grass stunted
- Initially nonchalant, I’m thrown rather in calculation of N
- Egg with touches of red in centre becomes kind of acid
- Type of acid trip curtailed in Islington clubs?
Buddy explains!
The straight part
We know that "Relating to an element" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case relating to an element = nitric.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 NITRIC mean?
NITRIC noun- Nitric acid
- Of, pertaining to, or containing, nitrogen.