Dictionary.com

abaptiston

[ ab-ap-tis-tuhn ]
/ ˌæb æpˈtɪs tən /
Save This Word!

noun

Surgery. a cone-shaped trephine designed to avoid penetration of the brain when incising the skull.

QUIZZES

DO A DOUBLE TAKE ON THIS QUIZ ON CONTRONYMS

Look both ways before you take this quiz on contronyms, or words that can have opposite meanings.
Question 1 of 7
Choose the sentence that uses "rent" correctly.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of abaptiston

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
FEEDBACK