The story
From multi- + nucleo- + polyhedrovirus.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A genus of large, double-stranded DNA viruses in the family Baculoviridae, characterized by forming occlusion bodies that contain many viral particles; these viruses primarily infect insects, especially larvae of moths and butterflies, and are often used in biological pest control. Full definition →
From multi- + nucleo- + polyhedrovirus.
Etymology from Wiktionary, CC BY-SA 4.0.