Very hard colourless element used in hardening steel (5) Crossword Clue

Here is the answer for the crossword clue Very hard colourless element used in hardening steel (5) . We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 5 letters. We think the likely answer to this clue is BORON.

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Crossword Answer For Very hard colourless element used in hardening steel (5):

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40 Potential Answers:

RankAnswerLengthSourceDate
98% BORON Very hard colourless element used in hardening steel (5) (5)
6% IRON Element in steel (4) Commuter Nov 8, 2025
5% ACCUSTOMED Hardened (to) (10) (10) Puzzler Jan 29, 2026
5% BUTANE Colourless highly flammable gas used as a lighter fluid (6) (6) Mirror Quiz Jan 26, 2026
5% PITTSBURGH "The Steel City" (10) Newsday Jan 25, 2026
5% GRANITE Bananas gratiné, very hard (7) (7) The Guardian Quick Cryptic Jan 24, 2026
5% RARE Very hard to find (4) Newsday Jan 21, 2026
5% TIN Element used in bronze (3) New York Times Jan 19, 2026
5% IBEAM Steel girder (5) New York Times Jan 18, 2026
5% FACTOR Element (6) The Telegraph Cross Atlantic Jan 18, 2026
Very hard colourless element used in hardening steel (5) Crossword Clue
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We found 40 solutions for Very hard colourless element used in hardening steel (5). The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is BORON.

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With our crossword solver search engine you have access to over 7 million clues. You can narrow down the possible answers by specifying the number of letters it contains. We found more than 40 answers for Very hard colourless element used in hardening steel (5).