Hello, you have come here looking for the meaning of the word billionth. In DICTIOUS you will not only get to know all the dictionary meanings for the word billionth, but we will also tell you about its etymology, its characteristics and you will know how to say billionth in singular and plural. Everything you need to know about the word billionth you have here. The definition of the word billionth will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofbillionth, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
2020 April 19, Robin McKie, “Coronavirus: five months on, what scientists know about Covid-19”, in The Guardian:
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.