B2 the number 1,000,000,000: The population of China is over a/one billion. Cosmetics is a billion-dollar industry. The government has invested billions of dollars in the project. › UK old-fashioned 1,000,000,000,000 Note: This number is now called a trillion. billions of sth informal › a very large number: There were billions of flies everywhere.

(Definition of billion from the Cambridge Advanced Learners Dictionary & Thesaurus
© Cambridge University Press)

What is the pronunciation of billion?
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“billion”: synonyms and related words:

to give permission for someone to do something or for something to happen

October 22, 2014

We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,