biobelt noun3 •An astronaut's belt with electrodes for monitoring heart rate, blood pressure etc.Each group spent 28 days confined in the Human Research Facility at NASA Ames where, like the nurses, they wore 'biobelts' and underwent a similar battery of physical tests. — 2005 •A region where there are many biotechnology companies. •A region that is the habitat of wild species.However, the beaches have, no doubt, recovered and been made physically more resilient through the upgrading of beaches and biobelts. — 2012 formsbiobelts