Filoviridae is a family of filamentous, enveloped negative-sense RNA viruses that include the ebolaviruses and marburgviruses. The family name is used in virology and taxonomy to classify certain pathogens and related genomes. It is pronounced with emphasis on the third syllable, and the initial 'Filo' cluster sounds like 'fee-LO,' followed by 'vir-ih-dee' in many scientific pronunciations.
Full pronunciation guide