duplicate
adj 1: identically copied from an original; "a duplicate key"
2: being two identical [syn: {matching}, {twin(a)}, {twinned}]
n 1: something additional of the same kind; " he always carried
extras in case of an emergency" [syn: {extra}]
2: either of two things that correspond to one another exactly;
"he made a duplicate for the files" [syn: {duplication}]
v 1: make or do or perform again [syn: {reduplicate}, {double}, {repeat},
{replicate}]
2: duplicate or match; "The polished surface twinned his face
and chest in reverse" [syn: {twin}, {parallel}]
3: increase twofold; "The population doubled within 50 years"
[syn: {double}]