Longman Dictionary of Contemporary English homepage

open system

 noun
     
Related topics: Computers
open system [countable] technical
TDTD a computer system that can be connected with similar computer systems made by other companies
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary