Sera
4 lettersnounrareUpdated June 2026
Definition
Plural of serum, referring to the clear amber fluid that separates from blood when it clots, rich in proteins and antibodies.
“The laboratory kept several different sera refrigerated for use in the antibody trials.”
Pronunciation
Syllables
se·ra
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Synonyms
Word Game Tips
Wordle
Ends in A, vowel-heavy with E and A, SE start is common but this plural form is rarely guessed
Scrabble
Worth 4 points, uses both E and A tiles efficiently, fits well in tight board spaces
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