a nonfunctional replica of something else (frequently used as a modifier); "a toy stove"
manipulate manually or in one's mind or imagination; "She played nervously with her wedding ring"; "Don't fiddle with the screws"; "He played with the idea of running for the Senate"
the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)
the skilled practice of a practical occupation; "he learned his trade as an apprentice"
the commercial exchange (buying and selling on domestic or international markets) of goods and services; "Venice was an important center of trade with the East"; "they are accused of conspiring to constrain trade"
the business given to a commercial establishment by its customers; "even before noon there was a considerable patronage"
exchange or give (something) in exchange for
turn in as payment or part payment for a purchase; "trade in an old car for a new one"
engage in the trade of; "he is merchandising telephone sets"
be traded at a certain price or under certain conditions; "The stock traded around $20 a share"
to the same degree (often followed by `as'); "they were equally beautiful"; "birds were singing and the child sang as sweetly"; "sang as sweetly as a nightingale"; "he is every bit as mean as she is"