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angioedema vs. edema

[an-jee-oh-i-dee-muh] / ˌæn dʒi oʊ ɪˈdi mə /

noun

Pathology.
  1. swelling that occurs just beneath the surface of the skin or mucous membranes.

[ih-dee-muh] / ɪˈdi mə /
especially British, oedema

noun

Pathology.

plural

edemas, edemata
  1. effusion of serous fluid into the interstices of cells in tissue spaces or into body cavities.

  2. Plant Pathology.

    1. a small surface swelling of plant parts, caused by excessive moisture.

    2. any disease so characterized.