Dr. Cruz referred the patient either to the lab doing the testing or to another doctor. Presumable, the other doctor then referred the patient for lab tests, but as this is fiction, it is equally possible the other doctor was a scientific researcher who worked in/owned a research lab. Since Dr. Cruz referred the patient, he was the referring doctor.
â¢ SURFACE TENSION (noun). The noun SURFACE TENSION has 1 sense: 1. a phenomenon at the surface of a liquid caused by intermolecular forces. Familiarity information: SURFACE TENSION used as a noun is very rare.
A property possessed by liquid surfaces whereby they appear to be covered by a thin elastic membrane in a state of tension, the surface tension being measured by the force acting normally across unit length in the surface. The phenomenon is due to unbalanced molecular cohesive forces near the surface.