showroomingnoun [ U ]
uk/ˈʃəʊ.ruː.mɪŋ//ˈʃəʊ.rʊm.ɪŋ//ˈʃoʊ.ruː.mɪŋ//ˈʃoʊ.rʊm.ɪŋ/the practice of looking at something you want to buy in a shop and then later buying it online, usually at a lower price:
Showrooming represents a significant threat to traditional "bricks and mortar" retailers.
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webrooming