large scale (adjective) large-scale: big
Sinonime: antibacterial, antibiotic, aseptic, bactericidal,
clean, disinfectant, germ-destroying, germ-free, germicidal, hygienic, medicated, prophylactic,
pure, purifying, sanitary,
sterile, sterilized, sterilizing, unpolluted
Antonime: contaminated, polluted, unclean, unsanitary, unsterile