The phrase "and a tiny portion" is correct and usable in written English.
It can be used when referring to a small part of something, often in a context where you are describing quantities or components.
Example: "The recipe calls for a cup of flour, a teaspoon of salt, and a tiny portion of sugar to enhance the flavor."
Alternatives: "and a small amount" or "and a little bit".
Serious as the dry spell is, it affects only about 6 percent of China's farmland and a tiny portion of its 1.3 billion people.
Mr. Manthos blamed the violence at universities on "members of anti-establishment and anarchist groups and a tiny portion of the student population".
What was left, and what is being sold to Fidelity National Information Services, is the financial software business and a tiny portion of the education operations.
That may sound like a huge amount but it's less than a 30 second Super Bowl commercial, and a tiny portion of Coca Cola's last known $3.5bn ad global budget.
Ka/Ks analysis revealed that majority of the analysed F. hepatica transcripts (89.63%) have Ka/Ks < 0.5, hinting a purifiying selection against nonsynonymous changes as expected, a minority of the transcripts (3.37%) have Ka/Ks > 1, and a tiny portion of the transcripts (0.24%) have Ka/Ks = 1.
(Morgan, 17, had it easier than most, with a field surrounded by signboards and stands and only a tiny portion of the end line under his care).
And only a tiny portion of the overall defense budget pays for foreign deployments.
(Online supplements give further data not included in a main paper. We suspect that most people accessing a paper read no further than the abstract, and only a tiny portion read not only the full paper but also the online data supplement).
Stackla co-founder Peter Cassidy says "the influence of social media on e-commerce has been a letdown for many brands and consumers, driving a tiny portion of online sales and playing a decreasing role in the consumer shopping journey.
Poulikakos's team performed a number of midair experiments, such as combining water droplets or chemical solutions, inserting DNA into cells and even making a tiny portion of instant coffee.
North Korea, a country that is cut off from much of the global economy and allows only a tiny portion of its population to have access to the internet, has been building up its cyberattack capabilities since the early 1990s, selecting teenagers and teaching them to be hackers, according to South Korean officials and defectors from the North.
