bal·an·ti·di·a·sis \ˌbaləntə̇ˈdīəsə̇s, bəˌlan-\noun alsobal·an·tid·i·o·sis\ˌbalən.ˌtidēˈōsə̇s\ (pluralbalantidia·sesalsobalantidio·ses \-sēz\) Etymology: New Latin, from Balantidium + -asis or -osis : infection with or disease caused by protozoans of the genus Balantidium