1
: resembling or having chelae
2
[from the pincerlike way in which the metal ion is held]
: of, relating to, or being a chelate
chelated; chelating
: to combine with (a metal) so as to form a chelate ring
: to react so as to form a chelate ring
: a compound having a ring structure that usually contains a metal ion held by coordinate bonds
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Merriam-Webster unabridged
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