Hard negative

контрастный негатив

Англо-русский политехнический словарь
hard negative
hard
hard act to follow
hard alloy
hard and fast
hard approach
hard as flint
hard as goat's knees
hard as iron
hard as nails
hard automated system
hard automation
hard background
hard bake
hard bar
hard bargain
hard bat
hard bitumen
hard block paraffin
hard board
hard boiled egg
hard boot
hard braking
hard brick
hard bubble
hard by
hard call protection
hard candy
hard case
hard cash