sera
|se-ra|
C2
🇺🇸
/ˈsɪr.ə/
🇬🇧
/ˈsɪə.rə/
(serum)
clear blood fluid
Etymology
Etymology Information
'sera' originates from New Latin, specifically the Latin word 'serum', where 'serum' meant 'whey' or 'watery fluid'.
Historical Evolution
'sera' changed from the New Latin plural 'sera' of 'serum' and entered modern scientific English as the plural form 'sera'.
Meaning Changes
Initially, it meant 'whey' or 'watery fluid', but over time it came to refer specifically to the clear fluid separated from blood; 'sera' is used as the plural of that modern sense of 'serum'.
Meanings by Part of Speech
Noun 1
plural form of 'serum' — the clear fluid that separates from blood or that is used in immunology/biochemistry.
Researchers compared sera from infected and healthy subjects.
Synonyms
Last updated: 2025/11/22 03:36