chelating

[kee-leyt]

che·late

[kee-leyt] adjective, noun, verb, che·lat·ed, che·lat·ing.
adjective
1.
Chemistry.
a.
of or noting a heterocyclic compound having a central metallic ion attached by covalent bonds to two or more nonmetallic atoms in the same molecule.
b.
of or noting a compound having a cyclic structure resulting from the formation of one or more hydrogen bonds in the same molecule.
2.
Zoology. having a chela or chelae.
noun
3.
Chemistry. a chelate compound.

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Chelating is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
verb (used without object) Chemistry.
4.
(of a heterocyclic compound) to react to form a chelate.
5.
(of a compound) to form a ring by forming one or more hydrogen bonds.
verb (used with object)
6.
Chemistry. to combine (an organic compound) with a metallic ion to form a chelate.

Origin:
1820–30; chel(a)1 + -ate1

che·lat·a·ble, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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