Definition of sycosis in English:



  • [mass noun] Inflammation of the hair follicles in the bearded part of a man's face, caused by bacterial infection.

    • ‘The following case is an example of a person with an inherited case of sycosis that was activated by the suppression of a chlamydia infection rather than by a new infection of gonococcus.’
    • ‘The disease which is oftenest confounded with this form of eczema is sycosis.’
    • ‘The possibility of a herpetic sycosis of the beard must be considered in the case of non-response to antibiotic or antifungal treatment.’
    • ‘Sometimes the sore throat arising from sycosis may bear so close a resemblance to that of secondary syphilis, that it will be difficult to found a diagnosis.’
    • ‘The course of sycosis is chronic; it is marked by exacerbations and remissions.’


Late 16th century (originally denoting any fig-shaped skin ulcer): modern Latin, from Greek sukōsis, from sukon fig.