Meaning of the word rd in English

What does rd mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

rd

US /ɑːrˈdiː/
UK /ɑːˈdiː/

Abbreviation

1.

road

Example:
The address is 123 Main Rd.
Turn left at the next Rd.
2.

research and development

Example:
The company invests heavily in R&D.
The new product is a result of years of R&D.