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Definition of button mushroom noun from the Oxford Advanced Learner's Dictionary

button mushroom

noun
 
/ˌbʌtn ˈmʌʃrʊm/,
 
/ˌbʌtn ˈmʌʃruːm/
 
/ˌbʌtn ˈmʌʃrʊm/,
 
/ˌbʌtn ˈmʌʃruːm/
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  1. a small young mushroom used in cooking
See button mushroom in the Oxford Advanced American Dictionary
swamp
noun
 
 
From the Topic
Geography
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