noun
minute difference; tiny difference; razor-thin margin
Used for very small differences in measurement, comparison, or competition. Often appears in contexts like sports, science, or statistics.
両者の実力には微差しかない。
There is only a minute difference in ability between the two.
この実験では微差が大きな結果の違いを生む。
In this experiment, a tiny difference produces a large difference in results.