Words similar to hardening

Example sentences for: hardening

How can you use “hardening” in a sentence? Here are some example sentences to help you improve your vocabulary:

Other disease-related terms include 'Precancerous conditions' (11,8), 'Pulmonary fibrosis' (5,5; a condition involving chronic inflammation and progressive fibrosis of the pulmonary alveolar walls), and 'Systemic scleroderma' (4,6; characterized by hardening of affected tissues).
But the hardening effect of plain nouns can be detected with regard to other peoples.
Any serious policy examination of a suicide hijacking scenario, critiquing each of the layers of the security system, could have suggested changes to fix glaring vulnerabilities-expanding no-fly lists, searching passengers identified by the CAPPS screening system, deploying Federal Air Marshals domestically, hardening cockpit doors, alerting air crew to a different kind of hijacking than what they had been trained to expect, or adjusting the training of controllers and managers in the FAA and NORAD.
Both USAT and the LAT note that the panel did not address the health consequences of ruptured implants, nor, adds USAT , problems of infection or painful breast hardening.
The papers continue to track the hardening of the U.N./NATO position regarding Yugoslavia.