-(ˌ)mikˈsidēə noun plural
Usage: capitalized
Etymology: New Latin, alteration of Actinomyxida, from actin- + myx- + -ida
: a small order of cnidosporidian protozoan parasites of worms distinguished by spores with trivalve shells and three polar capsules
• ac·ti·no·myx·id·i·an -|sidēən adjective or noun