ScienceJuly 18, 2026
rind
/raɪnd/
Definition
An outer coating or thin, peripheral layer that encases something much larger.
Etymology
Derived from the Old English 'rind,' meaning 'crust' or 'bark.' It traces back to a Proto-Germanic root related to coverings on trees or fruits, which evolved to describe any outer layer or shell.
In the news
The author uses 'rind' to describe the thin, sunlit surface of the Earth, emphasizing that the vast majority of our planet's living space lies hidden in the deep, dark ocean beneath that small layer.
Sunlight reaches only the top 200 metres of the sea before the water swallows it, which means the overwhelming majority of the living space on our planet exists in permanent, near-total darkness, cold and unvisited by the sun
Read the full article ↗ScienceBlog.com