Cryptic crossword clue
We may bet on them to give us hydrogen 10

The most common and most likely answer to this crossword clue is the 10 letter word GREYHOUNDS

I've seen this crossword clue in The Daily Telegraph
G
R
E
Y
H
O
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N
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S

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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 GREYHOUNDS mean?

GREYHOUNDS noun
  1. A lean breed of dog used in hunting and racing.
  2. A highball cocktail of vodka and grapefruit juice.
  3. A swift steamer, especially an ocean steamer.

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