abaptiston

ab·ap·tis·ton

[ab-ap-tis-tuhn]
noun
Surgery. a cone-shaped trephine designed to avoid penetration of the brain when incising the skull.

Origin:
1690–1700; < Greek (trýpanon) abáptiston (trepan) not dipped, neuter of abáptistos, equivalent to a- a-6 + baptis-, variant stem of baptízein to immerse (see baptize) + -tos verbal adjective suffix

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00:10
Abaptiston is always a great word to know.
So is interrobang. Does it mean:
a scrap or morsel of food left at a meal.
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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