See Also: pertussis(dictionary)
Pertussis(health)
Pertussis(medicine)
pertussis-like syndrome(medicine)
pertussis toxins(medicine)
pertussis toxin(medicine)
pertussis syndrome(medicine)
pertussis immunoglobulin(medicine)
bordetella pertussis(medicine)
Pertussis vaccine(medicine)

sit-fast (iou) and Pertussis (health)


sit-fast (iou)



sit-fast noun & adjective. Also sitfast. E17.
[from SIT verb + FAST adverb.]
A. noun.
Farriery. A hard excrescence tending to ulceration, produced on the back of a horse by the pressure or chafing of a saddle, or by the presence of a warble. E17.
b. A hard substance in a wound which prevents healing. dial. E19.
Any of several weeds with tenacious roots, esp. creeping buttercup, Ranunculus repens, and rest-harrow, Ononis repens. Scot. M18.
b. adjective.
Of a stone: firmly embedded in the ground. Scot. E19.
gen. Fixed, firm. E19.

Pertussis (health)


See whooping cough.