Reference meaning
rd
Last updated
Marks ordinals written in digits when the final term of the spelled number is "third"
Other meanings
2. noun
Abbreviation of road.
3. noun
Symbol for rad (unit of measure for absorbed dose of radiation).
4. noun
Abbreviation of round.
Source and scope
This definition is reproduced from English Wiktionary, sense en--rd-en-suffix-0NC2t180, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.