intercurrent

1. not comparableobsoleteRunning between or among, in a physical sense; interlayered.

   Intercurrent Ethereal Substance

   1659 December 30 (date written), Robert Boyle, New Experiments Physico-Mechanicall, Touching the Spring of the Air, and Its Effects […], Oxford, Oxfordshire: […] H[enry] Hall, printer to the University, for Tho[mas] Robinson, published 1660, →OCLC

2. not comparableComing between, temporally; intervening in time.

   As fatigue increases, the perception of the intercurrent excitation is retarded; an odor is perceived as exciting before it is perceived as a differentiated sensation […].

   1913, Havelock Ellis, Love and Pain

   1 more example

   [B]esides the intercurrent offices of life, his reception of Visits, answering of Letters, his constant Preaching and Catechising, he found leisure to write his Tract of Fundamentals, his Paraenesis, his Review of the Annotations […].

   1661, John Fell, The Life of The most Learned, Reverend and Pious Dr H. Hammond

3. not comparablemedicineSimultaneous; occurring at the same time as, or during the period of, another condition.

   As a matter of fact, these drugs are often used […] to save the doctors the trouble of making a diagnosis, or finding out the cause of some intercurrent malady.

   1921, Montagu Lomax, The Experiences of an Asylum Doctor, Allen & Unwin, page 97

   1 more example

   In intercurrent pneumonia, or such as occurs in the course of another disease, the absence of the characteristic expectoration, according to M. Andral, is noticed.

   1848, Robley Dunglison, The practice of medicine: a treatise on special pathology and therapeutics

4. not comparablemedicineNot belonging to any particular season.

plural intercurrents

1. obsoleterareSomething intervening.