billionth
/ˈbɪl.i.ənθ/
Word Rarity
Very rare
Frequency: Zipf frequency 2.31 in modern English
14
Scrabble Score
9
Letters
2
Syllables
7
Unique Chars
Meaning
adj
The ordinal form of the number one billion.
Example Sentences
- "That is an extraordinary achievement for a spiky ball of genetic material coated in fatty chemicals called lipids, and which measures 80 billionths of a metre in diameter. Humanity has been brought low by a very humble assailant."
Etymology
Etymology tree Proto-Indo-European *dwóh₁ ▲ Proto-Indo-European *trísinflu. Proto-Indo-European *dwís Proto-Italic *dwis Old Latin duis Latin bisder. French bi- Proto-Indo-European *sem- Proto-Indo-European *sm̥- Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂ Proto-Indo-European *smih₂ Proto-Indo-European *ǵʰes- Proto-Indo-European *-lom Proto-Indo-European *ǵʰéslom ▲ Proto-Indo-European *-ih₂ Proto-Indo-European *ǵʰéslih₂ Proto-Indo-European *smih₂ǵʰéslih₂ Proto-Italic *smīɣeslī Latin mīlle Italian mille Proto-Indo-European *-ōder. Proto-Indo-European *-Hōder.? Latin -ōnem Italian -one Italian milionebor. Old French million Middle French million French millionbf. French -illion French billionbor. English billion English -th English billionth From billion + -th (ordinal suffix).