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 Stronger intermolecular forces â higher viscosity. 2  Surface tension is a measure of the toughness of the surface of a liquid. 3  Stronger intermolecular forces â higher surface tension. 4  This is a small amount of gas that is found above all liquids.