The most popular online dictionary and thesaurus for learners of English
RR
(POST) USDefinition
(Definition of RR (POST) from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
Browse related topics
You are looking at an entry to do with Communications - the postal system, but you might be interested in these topics from the Technology topic area:
- Amplifiers, microphones & speakers
- Audio & video equipment
- Communications - by telephone
- Communications - general words
- Communications - messaging
- Communications - telephone equipment
- Computer concepts
- Computer hardware
- Computer programming & software
- Electrical components & circuitry
- Electrical switches & connections
- Electricity & electronics
- Electricity - units
- Engineering - mechanical
- Engineering - mining & quarrying
- Internet terminology
- Internet, email and texting conventions
- Machines - Engines & motors
- Machines - Functioning
- Machines - general words
- Machines - generators & pumps
- Machines - not functioning
- Machines - parts
- Operating computers
- Recording sounds and images
- Sound and image recordings
Browse the Dictionary
Browse the Thesaurus
More Results for “RR”
SMART Thesaurus: Communications - the postal system
Synonyms and related words:
- airmail noun
- certified mail noun
- direct mail noun
- express adverb
- express noun
- mailshot noun
- mass mailing noun
- p. and p. noun
- parcel post noun
- pillar box noun
- PO box noun
- PO noun (MAIL)
- postcode noun
- postmistress noun
- recorded delivery noun
- second class adverb
- snail mail noun
- sorter noun
- stamped addressed envelope noun
- surface mail noun
You can also find related words, phrases, and synonyms in the topics:
Word of the Day
Blog
Read our blog about how the English language behaves.
New Words
Find words and meanings that have just started to be used in English, and let us know what you think of them.
