The most common and most likely answer to this crossword clue is the 11 letter word SACCHARIDES
S
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C
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Buddy explains!
The straight part
We know that "more than one sugar needed" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case more than one sugar needed = saccharides.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 SACCHARIDES mean?
SACCHARIDES noun- The unit structure of carbohydrates, of general formula CnH2nOn. Either the simple sugars or polymers such as starch and cellulose. The saccharides exist in either a ring or short chain conformation, and typically contain five or six carbon atoms.