Equivalent to the English suffixes -let in "streamlet," -ule in "globule," "pustule."
The hair on the pustule stands erect, and is often shed with the scab which results.
There was some variation in the appearance of the pustule on the arm.
Miss H. has small pustules and great inflammation of her arms, with but one pustule likely to suppurate.
One pustule alone will produce thousands of these double spores.
In a few days a vesicle would appear at the seat of the inoculation, which later on developed into a pustule and eruption.
In the venereal disease the local trouble commences as a papule and breaks into an ulcer without having formed a pustule.
As well might you account for the smallpox by saying that the first pustule was the cause of the disease.
If every pustule has not been touched, those left may continue to itch, in which case, a second application is necessary.
The pustule on the fore finger shews the disease in an earlier stage.
late 14c., from Old French pustule (13c.) and directly from Latin pustula "blister, pimple," from PIE imitative root *pu- (1) "blow, swell," on notion of "inflated area" (cf. Sanskrit pupphusah "lung," Greek physa "breath, blast, wind, bubble," Lithuanian puciu "to blow, swell," Old Church Slavonic puchati "to blow"). Cf. emphysema. Related: Pustulant; pustular.
pustule pus·tule (pŭs'chōōl, pŭs'tyōōl)
A small inflamed skin swelling that is filled with pus; a pimple.
A small swelling similar to a blister or pimple.