khai triển

== Vietnamese == === Etymology === Sino-Vietnamese word from 開展 (“develop”). === Pronunciation === (Hà Nội) IPA(key): [xaːj˧˧ t͡ɕiən˧˩] (Huế) IPA(key): [kʰaːj˧˧ ʈiəŋ˧˨] (Saigon) IPA(key): [kʰaːj˧˧ ʈiəŋ˨˩˦] === Verb === khai triển to develop (mathematics) to expand (in a series) === Anagrams === triển khai