Meanings

opening hours (of a store, restaurant, etc.)

independently developed

public debate

open syllable

(of Chinese) pronunciation of kanji without a medial between the initial consonant and center vowel

long "o" vowel arising from combination of the "a" and "u" sounds

developer

market development

dehiscent fruit

unstopping

dumbfounded

entrusted development

initial opening (esp. of a temple)

the curtain opens (for the start of a play, act, etc.)

human development index

United Nations Conference on Environment and Development

United Nations Development Programme

single door (as opposed to a double door)

new product development

opening a new hospital, institution, temple, etc.