microsporidian
/ˌmʌɪkrə(ʊ)spəˈrɪdɪən/ /ˌmʌɪkrə(ʊ)spɒˈrɪdɪən/Zoology
noun
= microsporidium.
adjective
Of, relating to, or caused by such an organism.
Origin
Early 20th century; earliest use found in Encyclopaedia Britannica. From scientific Latin Microsporidia, class name (from micro- + -sporidia (in Myxosporidia), after French Microsporidies) + -an.