Dictionary.info
- BROWSE DICTIONARY
  BROWSE DICTIONARY
  IELTS Words
  
  TOEFL Words
  
  GRE Words
  
  SAT Words
  
  GMAT Words
- English　Learning
  Learning
  IELTS Lessons
  
  Exam English ✓
  
  Graduate tests
  
  Test English Info
Oxford Collocation Dictionary
Wordnet Online
IELTS Lessons
Google Dictionary

DEFINITIONS

SYNONYMS

Search

top definitions

PSTN

abbreviation for

public switched telephone network: the conventional message switched telephone network

Browse the Dictionary : Dictionary.englishtest.info is the world's leading online source for definitions, word origins, and a whole lot more. From Word of the Day to the stories behind today's slang, dictionary.englishtest.info unlocks the secrets of the English language for millions of people. Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, translations, origin and examples. Collins Online Dictionary | Definitions, Thesaurus and Translations

Browse by dictionary:
IELTS Words
TOEFL Words
GRE Words
SAT Words
GMAT Words

Dictionary.info
Oxford Collocation Dictionary
IELTS Lessons
Exam English ✓
Graduate tests
Wordnet Online
Test English Info

© 2020 dictionary.englishtest.info, LLC