connection
n. C / Un. a link or relationship between two or more people, things, or ideas. It can also mean the physical way two things are joined together.
n. a relationship in which a person, thing, or idea is linked or associated with something else. Often refers to the point at which two components are physically joined or the logical link between concepts.
There is a strong connection between diet and health.
The technician checked the internet connection to see why the office computers were offline.
While the two events occurred simultaneously, historians argue there is no direct causal connection between the political uprising in the north and the economic shift in the south.
From Middle English conneccioun, connexioun, conneccyon, conneccion, from Latin connexionem (nominative connexio (“a conclusion, binding together”)), from connectō, an alternative spelling of cōnectō (“to bind together”), from compound of co- (“together”) and nectō (“to bind”). In American English mid-18c., spelling shifted from connexion to connection (equivalent to connect + -ion), thus making connexion British dated and connection in international use.
Often used with the preposition 'between' or 'to'. When referring to travel, it specifically describes a train, bus, or plane that allows a passenger to continue a journey.
the connection of the two ideasthe connection between the two ideasWhen describing a relationship involving two distinct entities, 'between' is the standard preposition.