Haematoin
H[ae]*mat"o*in\, n. [H[ae]mato- + -in.] (Physiol. Chem.) A substance formed from the hematin of blood, by removal of the iron through the action of concentrated sulphuric acid. Two like bodies, called respectively h[ae]matoporphyrin and h[ae]matolin, are formed in a similar manner.| a gadget; dingus; thingumbob. |
| 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. |
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