Microscopic [adjective]
Definition of Microscopic:
tiny, almost undetectable
Sentence/Example of Microscopic:
The Ma was at least half the size of the slate, while Heman was microscopic; but, alas!
You have had time to examine your prize in microscopic fashion.
The microscopic test of the distribution of alkali in the blood.
He sees human nature with an eye which is at once broad and microscopic.
The entire box was filled with notes in German in a microscopic hand.
He tickled men's gray matter and kneaded it in his microscopic claws.
Every form of life, microscopic, even sub-microscopic, was annihilated.
What are we but microscopic weevils in the mouldy crust of earth?
Some microscopic plants do so throughout a great part of their lives.
In another respect these microscopic organisms are of vital importance.