"infinitesimal fraction" is a correct and usable phrase in written English.
You can use it when you want to describe a very small or tiny fraction of something. For example: - "The scientist used an electron microscope to analyze the infinitesimal fraction of bacteria present in the water sample." - "Only an infinitesimal fraction of the population has access to clean drinking water in this area." - "The chances of winning the lottery are infinitesimal, as you have to match all the numbers correctly."
Despite accounting for an infinitesimal fraction of violent deaths globally, terrorism is a favorite brand in United States policy circles.
Just as we have always known what Mafiosi look like — even as we understand that only an infinitesimal fraction of Italian-Americans are members of the mob".
But perhaps no more idiotic than for me to write out checks this month that will cover an infinitesimal fraction of some giant charity's overhead.
Their criminal messages and phone calls to each other form an infinitesimal fraction of all the chat and gossip on the internet.
With the existing facilities, according to a Food and Drug official, only an infinitesimal fraction of the crop products moving in interstate commerce can be checked — far less than one per cent, or not enough to have statistical significance.
The other important thing to note is that annual deaths from all animal causes combined (about 200) are just an infinitesimal fraction of total deaths -- less than 0.008 percent of all deaths each year, according to a 2012 study.
They refer to the structure that may exist at this extremely small size as "space-time foam". This artist's illustration depicts how the foamy structure of space-time may appear, showing tiny bubbles quadrillions of times smaller than the nucleus of an atom that are constantly fluctuating and last for only infinitesimal fractions of a second.
"The 'bubbles' in the quantum foam are quadrillions of times smaller than atomic nuclei and last for infinitesimal fractions of a second -- or in 'quantum-speak,' the size of a Planck Length for a Planck Time," Dr. Eric Perlman, professor of physics and space sciences at the Florida Institute of Technology, said in a statement.
The proposed estimate form is based on the determination of the appropriate properties to be given to a reference n+1 matrix phase with infinitesimal volume fraction for satisfying both the co-continuity of the p phases and the embedded nature of the n-p not continuous (included) ones.
Although this investigation aimed to intensively sample nematodes from the order Enoplida, specimens were only identified down to genus (at best) and our sampling regime focused on an infinitesimal small fraction of the deep-sea floor.
What, after all, did we do when encouraged over decades to moderate our consumption, deny a fraction of our appetites, suffer an infinitesimal amount more so others might suffer infinitely less?
