Term: optical opacity: opacity to light
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: minuteman: a strategic weapon system using a guided missile of intercontinental range; missiles are equipped with nuclear warheads and dispersed in hardened silos
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: micrometeorite: a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: chain: a series of (usually metal) rings or links fitted into one another to make a flexible ligament
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: limb-girdle muscular dystrophy: an autosomal recessive form of muscular dystrophy that appears anywhere from late childhood to middle age; characterized by progressive muscular weakness beginning either in the shoulder or pelvic girdle; usually progresses slowly with cardiopulmonary complications in the later stages
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: lwei: 100 lwei equal 1 kwanza in Angola
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: viola da braccio: a member of the viol family with approximately the range of a viola
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: oenothera: chiefly North American herbs with usually nocturnal flowers
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: wool grass: sedge of eastern North America having numerous clustered woolly spikelets
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: hip pocket: a pocket in rear of trousers
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: spanish oyster plant: a golden thistle of southwestern Europe cultivated for its edible sweet roots and edible leaves and stalks; its yellow flowers are used as a substitute for saffron