Englishfor English speakers
chain
Noun
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A chain is a series of round pieces of material joined together to make a line.
He got her a gold chain necklace for her birthday.
—
A series of interconnected things.
This led to an unfortunate chain of events.
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A chain of stores is a group of stores that all have the same name, such as McDonald's restaurants or GAP clothing stores.
chain
Verb
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If you chain things together, you connect them in a line.
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If you chain A to B, you connect A to B with a chain.
The dog was chained to the tree.
conditioned
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adjective
(= learned)
established by conditioning or learning
a conditioned response
—
adjective
(= in condition)
physically fit
exercised daily to keep herself in condition
reflex
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noun
an automatic instinctive unlearned reaction to a stimulus
—
adjective
(= automatic, reflexive)
without volition or conscious control
the automatic shrinking of the pupils of the eye in strong light
a reflex knee jerk
sneezing is reflexive