Calx

4 lettersnounrare

Updated June 2026

Definition

The calcium oxide residue left after heating a mineral or metal; powdery calcium oxide.

“The calx was mixed with water to form quicklime plaster.”

Related Words

Synonyms

calcium oxidequicklime

Word Game Tips

🟩

Wordle

X with common letters — tests X.

🔤

Scrabble

Worth 13 points. X is worth 8.

Words Related to Calx

Words one letter different

Change a single letter of “calx” to make these 4-letter words — useful for Wordle and crossword clues.

calc calf calk call calm calp cals falx

Add a letter to make a longer word

5-letter words you can spell by adding one letter to “calx”.

calix calyx coxal scalx

Explore Similar Words

4-letter words starting with C 4-letter words ending with X All 4-letter words 5-letter words All word lists

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Dictionary References

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