Chemical "twin"

Latest answer — April 21, 2026

64 Across

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NYT Crossword

This clue's Tuesday, April 21, 2026 appearance

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The answer to Chemical "twin" in the New York Times crossword is ISOMER — a 6-letter word. It most recently appeared in the New York Times crossword on April 21, 2026, a Tuesday puzzle, at 64-Across. Below you'll find why that fill fits, every other answer we've recorded for this clue, and links into the puzzle it came from.

Chemical "twin"” answer

ISOMER (6 letters)

Reveal the solution one letter at a time with the tiles above if you'd rather nudge yourself toward it than see the whole word at once. Just want it outright? The answer is ISOMER.

Why the answer is ISOMER

ISOMER is the 6-letter solution that fits "Chemical "twin"" in the NYT Crossword crossword on April 21, 2026 (64-Across). Use the letter tiles above if you'd rather reveal it one letter at a time.

What does ISOMER mean?

Reading the plain dictionary sense of ISOMER is often the fastest way to see why it answers this clue.

(noun)

  • each of two or more compounds with the same formula but a different arrangement of atoms in the molecule and different properties
  • each of two or more atomic nuclei that have the same atomic number and the same mass number but different energy states

When else has “Chemical "twin"” appeared?

New York Times reuses clues across dates, sometimes with a different answer depending on the grid. Here's where this exact clue has shown up, and what the answer was each time — handy when you're checking whether today's fill is the only one.

April 21, 2026 (most recent) ISOMER. We haven't indexed another appearance of this exact clue yet.

Frequently asked questions

What is the answer to “Chemical "twin"”?

The answer is ISOMER, a 6-letter word. It most recently appeared in the New York Times crossword on April 21, 2026.

How many letters is the answer to “Chemical "twin"”?

6 letters: ISOMER.

When did this clue appear?

Most recently in the New York Times crossword on April 21, 2026 (a Tuesday puzzle), at 64-Across.

Can “Chemical "twin"” have a different answer?

Yes — New York Times sometimes reuses a clue with a different solution to fit the grid. The answers we've recorded for each date it appeared are listed above when available.

Where can I find the rest of this day's NYT Crossword answers?

The full grid for April 21, 2026 is on the NYT Crossword answers page, with every clue and answer from that puzzle.

New York Times Crossword is published by The New York Times; WordHint is an independent site and is not affiliated with or endorsed by the publisher.

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