Basic English 
noun [mass noun]
A simplified form of English limited to 850 selected words, intended for international communication.They were enthusiasts for something called Basic English, an educational tool that limited the language's vocabulary to 850 words and, as far as possible, only its more regular verb forms....
- An ardent propagandist for so-called Basic English, a project which reduced the language to a mere 850 words, he was also a precursor of today's global industry of English-language teaching.
- It is ironic that his political aims for Basic English were foiled by his very ignorance of and inattention to politics itself as a constitutive force in human affairs.