unsoundness unsound roof unsplinterable unsplintered glass unsplit pattern unsprung unstable unstable amplitude unstable arc unstable axis unstable balance unstable equilibrium unstable focus unstable governing unstable ground unstable isotope unstable limit cycle unstable lubrication unstable motion unstable node |
unsoundness геол. неустойчивост дефектност недоброкачественост Търсената дума е намерена |