1.
done three times :
Each sample was tested in triplicate.
2.
( of a document ) copied twice, so that there are three copies in total
1.
done three times :
Each sample was tested in triplicate.
2.
( of a document ) copied twice, so that there are three copies in total
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005