The most common and most likely answer to this crossword clue is the 8 letter word NANOTECH
I've seen this crossword clue in The Guardian
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More clues leading to the result NANOTECH
- He cannot possibly work with tiny things
- Working with much smaller stuff than a note-checker covers
- Pen a note: check boxes measuring small dimensions
- He cannot possibly work at an atomic level
- Very little science he cannot decipher
- Small-scale work revised the canon
- Elderly relative’s love at first touch excites cold heartless tiny robots
- Molecular science of microfauna, note, Church tackles
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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 NANOTECH mean?
NANOTECH noun- The science and technology of creating nanoparticles and of manufacturing machines which have sizes within the range of nanometres.