button mushroom

noun

Definition of button mushroom

  1. :  a usually small white mushroom (Agaricus bisporus synonym A. brunnescens) in which the pileus has not yet expanded

First Known Use of button mushroom

1865


BUTTON MUSHROOM Defined for English Language Learners

button mushroom

noun

Definition of button mushroom for English Language Learners

  • : a small, white mushroom that is often eaten as a vegetable


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