rd

plural rds · alternative rd.

1. abbreviationAbbreviation of road.
2. symbolSymbol for rad (unit of measure for absorbed dose of radiation).

   Near-synonym: cGy (same physical quantity)

   Synonyms: mul:cGy

3. abbreviationbusinessAbbreviation of round.

plural RDs

1. abbreviationcountableinitialismuncountableastronomyInitialism of red dwarf.
2. USabbreviationcountableinitialismuncountableInitialism of restricted data.

   1 more example

   Under these restrictions, the only way for nuclear information that had been classified as RD to be controlled under UCNI is for the information to be declassified and then for circumstances to change such that the information becomes sufficiently sensitive to warrant reassertion of some degree of control.

   1995, National Research Council, Division on Earth and Life Studies, Commission on Geosciences, Environment and Resources, A Review of the Department of Energy Classification

3. USabbreviationinitialismuncountableInitialism of rural delivery, formerly used when addressing mail.
4. abbreviationcountableinitialismuncountableprofessional titleInitialism of registered dietitian.
5. abbreviationcountableuncountablehobbiesAbbreviation of right defence/defense: the right wing player defensive position.
6. USabbreviationcountableinitialismuncountablegovernmentInitialism of reporting district.
7. abbreviationcountableinitialismuncountableInitialism of restrictive dermopathy.

1. abbreviationAbbreviation of Road.

   A reception will be held on Sunday at the Smith residence, 234 Stone Hollow Rd, Barringtonville.