No. 5,779 in Russian
протяженности
"Протяженности" means "extent" or "length" in English, referring to the measure or scope of something's span.
In a sentence
Протяженность шоссе составляет 500 километров.
The length of the highway is 500 kilometers.
Here, 'протяженность' is used as a noun indicating the 'extent' or 'length' (physical measurement) of a specific object, the highway.
События этой истории разворачиваются на протяженности трёх столетий.
The events of this story unfold over the span of three centuries.
In this case, 'протяженность' illustrates a temporal extension or duration.
Протяженностью река занимает третье место в стране.
In terms of length, the river ranks third in the country.
Here, 'протяженностью' is used in an instrumental case form to describe a characteristic, specifically the extent of the river.
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