REMITTENT
remittent
(adjective) (of a disease) characterized by periods of diminished severity; “a remittent fever”
Source: WordNet® 3.1
Etymology
Adjective
remittent (comparative more remittent, superlative most remittent)
Alternately increasing and decreasing in severity or intensity.
(rare) Of or pertaining to remission of the severity of symptoms.
Usage notes
Something that is intermittent stops and starts again, whereas something that is remittent is continuous but varies in intensity.
Noun
remittent (uncountable)
A remittent fever.
Source: Wiktionary
Re*mit"tent (r-mt"tent), a. Etym: [L. remittens, p. pr. : cf. F.
rémittent.]
Definition: Remitting; characterized by remission; having remissions.
Remittent fever (Med.), a fever in which the symptoms temporarily
abate at regular intervals, but do not wholly cease. See Malarial
fever, under Malarial.
Source: Webster’s Unabridged Dictionary 1913 Edition