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.
1 Definition of stress - A stress is defined as a force per unit area, acting on an infinitesimal surface element. 2  Stresses have both magnitude (force per unit area) and direction, and the direction is relative to the surface on which the stress acts.  There are normal stresses and tangential stresses.