From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18: rd /ˌɑːdˈiː/ <suffix> third
rd /ˌɑːdˈiː/ <suffix>
third
From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18: R&D /ˈɑː dˈiː/ <n> R&D, 研究開発 Research and Development
R&D /ˈɑː dˈiː/ <n> R&D, 研究開発 Research and Development