connectivity
US /ˌkɑː.nekˈtɪv.ə.t̬i/
UK /ˌkɑː.nekˈtɪv.ə.t̬i/

1.
the ability of computers and other electronic devices to connect to each other or to the internet
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The hotel offers free Wi-Fi connectivity to all guests.
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Poor network connectivity can lead to slow internet speeds.
2.
the state of being connected or interconnected
:
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The new smart home system offers seamless connectivity between all devices.
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The project aims to improve rural connectivity, providing internet access to remote areas.