Purifying filter acronym Daily / 18D / 4 letters
Puzzle clues NYT Crossword
Big acronym in purifying filters NYT Crossword Clue
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Answer
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HEPA
Explanation
Why This Answer Fits
HEPA is the 4-letter answer for "Big acronym in purifying filters" in the NYT Crossword. The clue includes an abbreviation cue, which explains why the entry is a compact crossword form instead of a longer phrase.
- Grid entry: HEPA in the grid.
- Answer pattern: _ _ _ _.
- Clue type: Abbreviation.
- This is Down at 6D, so use the Across crossings to confirm HEPA.
- HEPA has 4 letters, matching the required slot for 6D.
Hint
The clue points toward a shortened form, initials, or crossword-style abbreviation.
How to solve it
Read the clue type first
Classify this as a abbreviation and verify that the 4 letters answer fits both the clue wording and the grid position.
- The clue points toward a shortened form. Expect a 4-letter compact entry and watch for initials or common abbreviations.
- The answer slot has 4 letters, which narrows the clue to a specific grid shape.
- Do not expand the answer into a full word or phrase if the clue asks for a shortened form.
- This clue appears at 6D in the NYT Crossword, so check the Across crossings for confirmation.
Position 6D
Answer length 4
Puzzle type Daily
Solver context
Extra Notes for This Clue
Trap
Common Trap
Do not expand the answer into a full word or phrase if the clue asks for a shortened form.
Crossings
Crossing Notes
This is Down at 6D, so use the Across crossings to confirm HEPA.
Editor note
Editorial Note
Classify this as a abbreviation and verify that the 4 letters answer fits both the clue wording and the grid position.
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History
Clue History
April 25, 2026 Daily / 6D / 4 letters
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