As nouns the difference between terms and phlegmasia
is that terms is while phlegmasia is (medicine) an inflammation, especially of the internal organs.
terms
English
Noun
(head)
Statistics
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phlegmasia
English
Noun
(-)
(medicine) An inflammation, especially of the internal organs.
Derived terms
* phlegmasia alba dolens
* phlegmasia cerulea dolens
* phlegmasia dolens
(
Webster 1913)