R.D.

See more synonyms for R.D. on Thesaurus.com

registered dietitian.
Rural Delivery.

R&D

or R and D

research and development.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for r.d.

experiment, testing, trial, investigation, examination, analysis, research, experimentation