Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to oedema: pitting oedema, Pulmonary oedema


Variant of edema.


(ɪˈdiːmə) or


n, pl -mata (-mətə)
1. (Pathology) pathol an excessive accumulation of serous fluid in the intercellular spaces of tissue
2. (Plant Pathology) plant pathol an abnormal swelling in a plant caused by a large mass of parenchyma or an accumulation of water in the tissues
[C16: via New Latin from Greek oidēma, from oidein to swell]
oedematous, edematous oeˈdemaˌtose, eˈdemaˌtose adj


(ɪˈdi mə)

n., pl. -mas, -ma•ta (-mə tə)
1. an abnormal accumulation of fluid in the tissue spaces, cavities, or joint capsules of the body, causing swelling of the area.
2. a similar swelling in plants caused by excessive moisture.
[1490–1500; < New Latin oedēma < Greek oídēma a swelling =oidē-, variant s. of oideîn to swell + -ma n. suffix]
e•dem•a•tous (ɪˈdɛm ə təs, ɪˈdi mə-) e•dem′a•tose (-ˌtoʊs) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.oedema - swelling from excessive accumulation of watery fluid in cells, tissues, or serous cavitiesoedema - swelling from excessive accumulation of watery fluid in cells, tissues, or serous cavities
angioedema, atrophedema, giant hives, periodic edema, Quincke's edema - recurrent large circumscribed areas of subcutaneous edema; onset is sudden and it disappears within 24 hours; seen mainly in young women, often as an allergic reaction to food or drugs
lymphedema - swelling (usually in the legs) caused by lymph accumulating in the tissues in the affected areas
scleredema - a skin disease marked by hard edema of the tissue usually beginning in the face
cystoid macular edema - a specific pattern of swelling in the central retina
puffiness, swelling, lump - an abnormal protuberance or localized enlargement
anasarca - generalized edema with accumulation of serum in subcutaneous connective tissue
chemosis - edema of the mucous membrane of the eyeball and eyelid lining
papilledema - swelling of the optic disc (where the optic nerve enters the eyeball); usually associated with an increase in intraocular pressure
brain edema, cerebral edema - swelling of the brain due to the uptake of water in the neuropile and white matter


[ɪˈdiːmə] N (oedemata (pl)) [ɪˈdiːmətə]edema m


, (US) edema
nÖdem nt
References in periodicals archive ?
Thigh muscle MRI in immune-mediated necrotizing myopathy: Extensive oedema, early muscle damage and role of anti-SRP autoantibodies as a marker of severity.
Objective: To know the outcomes of cystoid macular oedema after phacoemulsification in patients with and without type 2 diabetes mellitus using optical coherence tomography.
Diabetic Macular Oedema (DME), a microvascular complication which is caused by the breakdown of the blood-retinal barrier, promotes neuroglial dysfunction and concomitant visual disturbance.
Vitrectomy results in diabetic macular oedema without evident vitreomacular traction.
Modulation of mouse ear oedema by cyclooxygenase and lipoxygenase inhibitors and other pharmacological agents.
The company has enrolled the patients using suprachoroidal space drug administration in the trial, which is intended to evaluate CLS-TA to treat macular oedema associated with non-infectious uveitis.
Mumps virus infection with laryngeal oedema and thoracic wall phlegmonous inflammation in an adult.
Acute scrotal oedema complicating peritoneal dialysis.
Compression therapy in chronic oedema and lymphoedema.
Oedema is the accumulation or retention of fluid within the interstitial spaces.
In our analysis we did not find a clear association between LDH values and severity of brain oedema (2), despite the finding in Gao et al's study that serum LDH positively correlated with brain oedema score (5).
2] The definitive diagnostic criteria includes subsets of Seronegative Symmetrical Polyarthritis with dramatic onset of pitting oedema of hands, old age, male predominance, seronegativity for rheumatoid factor, absence of evidences of joint destruction on radiographs, excellent response to low dose steroids with long term remission after withdrawal of drugs.