[ad. F. bdellomètre, f. Gr. βδέλλα leech + μέτρον measure.] A surgical instrument proposed as a substitute for leeches, and fitted to show the amount of blood drawn.

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1839.  Hooper, Med. Dict., 254.

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1874.  Dunglison, Med. Dict., Bdellometer … consists of a cupping-glass, to which a scarificator and exhausting syringe are attached.

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