specimen

noun
C1+
1
C1+
a small amount of something that shows what the rest of it is like
نمونه, نمونه آزمایشی
synonym sample
2
C1+
a single example of something, especially an animal or a plant
نمونه, نمونه علمی
The aquarium has some interesting specimens of unusual tropical fish.
Redwood trees can live for a long time; one specimen is 4 000 years old.
(humorous)They were fine specimens of British youth!
3
a small quantity of blood, urine, etc. that is taken from somebody and tested by a doctor
نمونه آزمایشگاهی, نمونه خون, نمونه ادرار
to provide/take a specimen