“Having two flat surfaces always equidistant, as a sheet of glass”
This clue appeared as 20-Across in the WSJ Crossword on Monday, August 17, 2026. The answer has 13 letters.
Where this clue has appeared
About this clue
The clue “Having two flat surfaces always equidistant, as a sheet of glass” ran in the WSJ Crossword on August 17, 2026 as 20-Across. Its answer is a 13-letter phrase that starts with P and ends with L, with 5 vowels, which often points to a phrase, a name or a borrowed word.
See every answer from the puzzle on the WSJ Crossword page for August 17, 2026, or learn how clues like this work in our guide to crossword clue types.
More clues from this puzzle
FAQ
What is the answer to the “Having two flat surfaces always equidistant, as a sheet of glass” clue?+
The answer is PLANEPARALLEL (13 letters), from the WSJ Crossword of August 17, 2026.
Where has this clue appeared?+
We have seen it 1 time in the WSJ Crossword.
How do I find other WSJ Crossword answers?+
Open the full list of answers for August 17, 2026, or browse every date on the WSJ Crossword hub.