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konkav adj. stresses
geol.	вогнутый (напр., о линзе)
met.	впалый
opt.	вогнутый
pack.	вогнутовыпуклый

konkav: 92 phrases in 26 subjects

Aerodynamics	5
Art	1
Astronomy	1
Cinema equipment	7
Communications	4
Construction	8
Energy industry	1
Engines	1
Gear train	1
Geology	5
Geophysics	2
Machine components	5
Mathematics	9
Mechanic engineering	1
Medical	1
Medical appliances	7
Military	1
Natural resourses and wildlife conservation	1
Optics branch of physics	2
Packaging	4
Paleontology	2
Quantum electronics	4
Shipbuilding	2
Technology	5
Water supply	1
Welding	11