sera

Sera is a term with multiple, distinct meanings across languages and disciplines. In Italian, sera means the evening, as in Buonasera. In Turkish, sera denotes a greenhouse or glasshouse and is a common term in agriculture.

In science and medicine, sera is the plural of serum, the pale yellow liquid that separates from clotted blood. Sera are used in diagnostic tests, research, and therapy. Antisera are sera raised against specific pathogens or antigens and are used to confer passive immunity and in antibody-based assays.

As a proper noun, Sera is also used as a feminine given name in various cultures. It can appear in fiction and media as a character name, and it may surface in place names or branding in different regions. The term therefore crosses linguistic, scientific, and cultural domains, requiring context to determine its exact meaning.