The phrase "slow leak" means a small and gradual release of air, liquid, or any substance from something.
Sentences with «slow leak»
If the root causes of those isolated incidents are not explored and addressed, those departures can turn into a long, slow leak of talent. (recruiter.com)
For example, it could plug or slow leaks from oil drilling equipment, or provide cell cultures with a sparse network of fibrous elements that may offer unique tissue scaffolds architectures and even support 3 - D cell cultures. (sciencedaily.com)