noun, plural e·de·mas, e·de·ma·ta [ih-dee-muh-tuh] /ɪˈdi mə tə/. Pathology.
- a small surface swelling of plant parts, caused by excessive moisture.
- any disease so characterized.
Origin of edema
noun plural -mata (-mətə)
c.1400, from medical Latin, from Greek oidema (genitive oidematos) "a swelling tumor," from oidein "to swell," from oidos "tumor, swelling," from PIE *oid- "to swell;" cf. Latin aemidus "swelling," Armenian aitumn "a swelling," Old Norse eista "testicle," Old English attor "poison" (that which makes the body swell), and the first element in Oedipus.