{ "UVB":{ "type":[ "noun" ], "definitions":{ ": radiation that is in the region of the ultraviolet spectrum which extends from about 280 to 320 nm in wavelength and that is primarily responsible for sunburn, aging of the skin, and the development of skin cancer":[] }, "pronounciation":[ "-\u02c8b\u0113", "\u02ccy\u00fc-(\u02cc)v\u0113-\u02c8b\u0113" ], "synonyms":[], "antonyms":[], "synonym_discussion":"", "examples":[], "history_and_etymology":{}, "first_known_use":{ "1975, in the meaning defined above":"" }, "time_of_retrieval":"20220709-082141" } }