golden jubilee

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌgolden ˈjubilee noun [countable] British English  CELEBRATEthe date that is exactly 50 years after an important event, such as the occasion when someone became king or queen 〔君主登基等重要事件的〕50周年纪念 SYN American English golden anniversary → diamond jubilee, silver jubilee the Queen’s golden jubilee celebrations 女王登基50周年庆典

Examples from the Corpus

golden jubilee• The highlight of Gibson's later years was the Polyethylenes 1933-83 golden jubilee conference in London in June 1983.

ˌgolden ˈjubilee nounChineseSyllable  

the date 50 an exactly that after years Corpus is

golden jubilee
ˌgolden ˈjubilee noun [countable] British English
the date that is exactly 50 years after an important event, such as the occasion when someone became king or queen
   SYN  golden anniversary American English ⇨ diamond jubilee, silver jubilee:
    the Queen’s golden jubilee celebrations

golden jubileeBrE /ˌɡəʊldən ˈdʒuːbɪliː/ 🔊NAmE /ˌɡoʊldən ˈdʒuːbɪliː/ 🔊 (BrE) (US ˌgolden anniˈversary) nounthe 50th anniversary of an important event * 50 周年纪念◆Queen Victoria's Golden Jubilee celebrations维多利亚女王登基 50 周年庆典◆a party to mark the company's golden jubilee庆祝该公司 50 周年的纪念会  ➡  compare diamond jubilee, silver jubilee