1592952562000 1312632483000 term-3683 1616541223969 1312632488000 1616290135353 adlib fitz-online adlib-term-3683 63d0f422-c916-3d33-8d73-965868e69dbf 2 1 scope note The quality or state of a substance or body of being impervious to rays of light. OCA reference term-3439 adlib-term-3439 815b1d46-23e3-31ab-95bf-c556bf1061c8 opaque D.DC.AFU.ALO.FIM.BZY 1 code D.DC.AFU.ALO.FIM.BZY 1 opacity reference term-3451 adlib-term-3451 9ff2b61b-e774-3525-ae72-a945c7dbce52 optical properties opacity term