It’s also called “heavy hydrogen” WSJ Crossword Clue

By Narcissa Kh Date: FEB 27, 2026 Follow on Google

Crossword Answer

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Hint 1

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Hint 2

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Q1.

What is the most likely answer for the crossword clue "It’s also called “heavy hydrogen”"?

The most common and recent 9-letter answer for "It’s also called “heavy hydrogen”" is DEUTERIUM.

Q2.

Why is "DEUTERIUM" the answer to the clue "It’s also called “heavy hydrogen”"?

Deuterium is an isotope of hydrogen that contains one proton and one neutron, making it heavier than regular hydrogen, which lacks a neutron. This extra mass is why it's often referred to as 'heavy hydrogen.'

Q3.

In which puzzle was the clue "It’s also called “heavy hydrogen”" last seen?

This clue was last seen in the WSJ Crossword on February 27, 2026.

Q4.

What does the word "DEUTERIUM" mean in this context?

Deuterium is an isotope of hydrogen with one proton and one neutron in its nucleus.

Q5.

What are some other crossword clues that share the same answer?

heavy hydrogen

The clue “It’s also called “heavy hydrogen”” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated February 27 2026, the definitive 9-letter answer is: DEUTERIUM.

Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.

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