| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
pellagra pel·lag·ra (pə-lāg'rə, -lā'grə, -lä'-)
n.
A disease caused by a deficiency of niacin and protein in the diet and characterized by skin eruptions, digestive and nervous system disturbances, and eventual mental deterioration.
| pellagra (pə-lāg'rə, -lā'grə) Pronunciation Key
A disease caused by a lack of niacin in the diet, characterized by skin and digestive disorders and mental deterioration. |