Béton Brut in French, the Substance of Brutalism
This page is the CodyCross answer for the clue below from Space Exploration, Group 917, Puzzle 5 (Saturn and Neptune).
Question is: Béton Brut in French, the Substance of Brutalism
and the answer is: CONCRETE
Word Meaning:
CONCRETE — Real, actual, tangible.
Definitions from Wiktionary.