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                           general:: 
                              noun way/amount that sth is used  ADJ.  heavy, high high energy usage | low | normal With normal usage, the equipment should last at least five years. | drug Drug usage by teenagers has increased in recent years. | energy | water VERB + USAGE  increase | reduce USAGE + VERB  increase | fall PREP.  ~ of Usage of computers in schools is increasing. way that words are used  ADJ.  common, everyday, general, normal, ordinary, popular That word is no longer in common usage. | current, modern a book on current English usage | actual Actual usage of the word is different from the meaning given in the dictionary. | correct | American, English, etc. | language, linguistic, word | colloquial VERB + USAGE  come into, enter The term ‘eco-tourism’ entered common usage in the 1990s. PREP.  in ~ The word has a slightly different meaning in popular usage. PHRASES  patterns of usage Dictionary definitions tend to show stereotypical patterns of usage.
                        
                        
 
                        
                            Oxford Collocations Dictionary