lithiwm

Welsh

Chemical element (edit)
Li Atomic number 3 lithiwm
Classification data Period 2 Group 1 Block s-block Class alkali metal
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Lithiwm mewn olew

Etymology

Borrowed from English lithium, from New Latin lithium, from Ancient Greek λίθος (líthos, “sun”) + -ium.

Pronunciation

• IPA^(key): /ˈlɪθjʊm/
• Rhymes: -ɪθjʊm

Noun

lithiwm m (uncountable, not mutable)

1. lithium

Derived terms

• ethyl-lithiwm (“ethyl-lithium”)
• ïon lithiwm (“lithium ion”)
• lithiwm alwminiwm hydrideg (“lithium aluminium hydride”)
• lithiwm bromid (“lithium bromide”)
• lithiwm carbonad (“lithium carbonate”)
• lithiwm fflworid (“lithium fluoride”)
• lithiwm hydrocsid (“lithium hydroxide”)
• lithiwm ocsideg (“lithium oxide”)
• lithiwm tetrahydridoalwminad (“lithium tetrahydridoaluminate”)

Further reading

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “lithiwm”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies