[er.gas.tic] adj [Gk ergastikos able to work, fr. ergazesthai to work, fr. ergon work] (ca. 1896): constituting the nonliving by-products of protoplasmic activity "~ substances"
ERGASTIC
Meaning of ERGASTIC in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012