kontaktiajan
Kontaktiajan is a term used primarily in Finnish-language technical and social scientific literature to denote the duration of a contact event, defined as the time from the beginning to the end of an interaction between two entities, such as a user and a device, a patient and a caregiver, or two mechanical surfaces in contact.
Origin and semantics: It is a compound of kontaktia- (contact) and aika (time). In Finnish grammar, kontaktiajan
Applications and contexts: In human-computer interaction, kontaktiajan helps quantify user engagement by measuring the interaction window
See also: contact time, dwell time, interaction duration. Notes: The term's precise definition varies by field,