LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

barium1

barium n (genitive bariī)
Classical[ˈba.ri.ũː]Ecclesiastical[ˈbaː.ri.um]

Meaning

  1. New Latinneuterbarium

Declension

declension
formsingularplural
nominativebariumbaria
genitivebariībariōrum
dativebariōbariīs
accusativebariumbaria
ablativebariōbariīs
vocativebariumbaria

Barĭum, ii, n., = Βάριον,
I. a town in Apulia, on the Adriatic Sea, now Bari, Mel. 2, 4, 7, Plin. 3, 11, 16, § 102; Liv. 40, 18, 8; Tac. A. 16, 9: piscosum, Hor. S. 1, 5, 97.

Origins

Roughly βαρύς (barús, “heavy”) + -ium.

proper noun · neutersecond declension
Bārium2
Bārium n sg (genitive Bāriī or Bārī)
Classical[ˈbaː.ri.ũː]Ecclesiastical[ˈbaː.ri.um]

Meaning

  1. a maritime city in Apulia, situated on the coast of the Adriatic Sea, now Bari

Declension

declension
formsingularplural
nominativeBārium—
genitiveBāriī
Bārī		—
dativeBāriō—
accusativeBārium—
ablativeBāriō—
vocativeBārium—
locativeBāriī—

Origins

Borrowed from Ancient Greek Βάριον (Bárion).

In the Academy Smith's classical dictionaries

GeographyBariumBarium (Βάριον, Βαρῖνος: Eth. Barinus), a maritime city of Apulia, situated on the coast of the Adriatic, about 75 miles from Brundusium, and 36 from …

Quick answers

What does barium mean in Latin?
barium, a noun, means “barium”.
What is the genitive of barium?
The genitive singular is bariī. barium is neuter, second declension.
How do you pronounce barium?
In classical Latin, [ˈba.ri.ũː]; in ecclesiastical (church) Latin, [ˈbaː.ri.um].