plural of contact lens

Any contact between rotating bodies such that the relative velocity of the two contacting surfaces is zero at the point of contact.

plural of contact sport

(sports) An athletic contest which involves a significant amount of physical contact between the participating athletes.

A feeling of elation obtained via the drug-induced behaviour of another person.

Alternative form of noncontact

Alternative form of noncontact

(thermodynamics) A state in which two or more systems can exchange thermal energy.

(anthropology) The first meeting between people of two previously unknown cultures. / (science fiction) The first meeting between humans and extraterrestrials.

the connection where two or more electrical conductors meet or are joined. / the point on a conductor or electrical device where the connection happens.