This is the 5537th most frequent Russian word.
полигона
“Полигона” is the genitive singular or nominative plural form of "полигон," which means "test site," "training ground," or "polygon" in geometry.
In this sentence, 'полигона' is in the genitive case and refers to a military testing field or range, which is an area designated for specific activities or experiments.
Новый военный объект был создан для испытаний на полигоне.
A new military facility was created for testing at the range.
Here, 'учебному полигону' refers to a site designed for educational or practical training purposes, showing its application in a civilian context.
Сегодня мы с классом пошли на экскурсию к учебному полигону.
Today, our class went on a field trip to the training range.
In this case, 'на полигоне' indicates a testing ground used by engineers for evaluating construction materials, demonstrating its specialized use in engineering contexts.