replacement

n. substitution, act of replacing one thing with another; person or thing that takes the place of another, substitute

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Noun
1. an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood"
(synonym) substitution, permutation, transposition, switch
(hypernym) variation, fluctuation
(derivation) replace
2. the act of furnishing an equivalent person or thing in the place of another; "replacing the star will not be easy"
(synonym) replacing
(hypernym) substitution, exchange, commutation
(hyponym) novation
(derivation) supplant, replace, supersede, supervene upon
3. someone who takes the place of another person
(synonym) surrogate, alternate
(hypernym) stand-in, substitute, relief, reliever, backup, backup man, fill-in
(derivation) supplant, replace, supersede, supervene upon
4. a person or thing that takes or can take the place of another
(synonym) substitute
(hypernym) equivalent
(hyponym) ersatz
(derivation) supplant, replace, supersede, supervene upon
5. filling again by supplying what has been used up
(synonym) refilling, replenishment, renewal
(hypernym) filling
6. a person who follows next in order; "he was President Lincoln's successor"
(synonym) successor
(hypernym) peer, equal, match, compeer

nm. reposition, act of restoring to a former condition

n. náhrada; výměna; náhradník, náhradnice