endpoint

n. point on either side of a line marking its extremity (Mathematics)

An endpoint or end point is a mark of termination or completion.In geometry, an endpoint is a point at which a line segment or ray terminates.In chemistry, an endpoint is the conclusion of a chemical reaction. In particular, in a titration, it is the point at which no further titrant should be added — usually indicated by a colour change in an  indicator or some other measurable change.In computer science, in discussions of communications protocols, an endpoint is the name for the entity on one end of a transport layer connection, see also communication endpoint. In Service-oriented architecture, an endpoint is the entry point to a service, a process, or a queue or topic destination. In music, Endpoint is the name of a hardcore punk band.In a research trial, a clinical endpoint refers to a disease, symptom, or sign that constitutes one of the target outcomes of the trial.In brand implementation, Endpoint is the name of a UK based implementation agency, part of the Visual Identity Management Group.
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Noun
1. a place where something ends or is complete
(synonym) end point, termination, terminus
(hypernym) end

In clinical trials, an event or outcome that can be measured objectively to determine whether the intervention being studied is beneficial. The endpoints of a clinical trial are usually included in the study objectives. Some examples of endpoints are survival, improvements in quality of life, relief of symptoms, and disappearance of the tumor.

Compare with equivalence point .The experimental estimate of the equivalence point in a titration .