“+ noun plural but singular in construction
: mechanics applied to the behavior of heavy structures (as bridges, dams, and mine shafts) liable to failure because of their own weight
“+ noun plural but singular in construction
: mechanics applied to the behavior of heavy structures (as bridges, dams, and mine shafts) liable to failure because of their own weight
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012