"purchase" in the noun sense
the acquisition of something for payment
"they closed the purchase with a handshake"
something acquired by purchase
a means of exerting influence or gaining advantage
"he could get no purchase on the situation"
4. leverage, purchase
the mechanical advantage gained by being in a position to use a lever
"purchase" in the verb sense
1. buy, purchase
obtain by purchase acquire by means of a financial transaction
"The family purchased a new car"
"The conglomerate acquired a new company"
"She buys for the big department store"
Source: WordNet® (An amazing lexical database of English)
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