Definition of omniscientist in English:

omniscientist

noun

  • A person who knows about, or is extremely proficient in, all or many subjects, especially the sciences.

Origin

1930s; earliest use found in Ronald Knox (1888–1957), Roman Catholic priest and writer. From omni- + scientist, probably after omniscient.

Pronunciation

omniscientist

/ˌɒmnɪˈsʌɪəntɪst/