persistent
inglizchapersistent pəʼsistənt
a 1. узбекскийsabotli, matonatli, qattiq, yo'lidan qaytmaydiganрусскийнастойчивый, упорный
2. узбекскийchidamli, pishiq, barqaror, mustahkam, doimiyрусскийстойкий, устойчивый, постоянный
Persistent
- not easily to be degraded. This term is used in classification of chemicals.