The most common and most likely answer to this crossword clue is the 7 letter word ABIOTIC
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More clues leading to the result ABIOTIC
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The cryptic/wordplay part
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What does ABIOTIC mean?
ABIOTIC noun- Any such material
- Nonliving, inanimate, characterised by the absence of life; of inorganic matter.
- Tending to inhibit or destroy life; antibiotic; incompatible with life.