Third person singular present tense of 'airproof'; makes something airproof or seals it against air.
Standard present tense conjugation of the verb 'airproof' for third person singular subjects.
When engineers airproof a space, they're essentially creating a controlled environment—from laboratory settings to hazmat units, this simple concept is foundational to scientific safety.
Complete word intelligence in one call. Free tier — 50 lookups/day.