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trephine

Upper-Intermediate (B2)

IPA: /trɛˈfaɪn/

KK: /trɛˈfaɪn/

noun
Definition

A tool used in surgery to remove circular pieces of bone, often from the skull.


Example

The surgeon used a trephine to access the patient's brain.


Conversation
Sloth A
I was reading about different surgical tools, and I came across the trephine.
Sloth B
Oh really? What does it do?
Sloth A
It's used to cut out circular sections of bone, especially from the skull.
Sloth B
That sounds intense! I can't believe how specialized some tools can be.

Synonyms & Antonyms
Synonyms
burr
cutter
saw
Antonyms
filler
patch
repair
transitive verb
Definition

To perform a surgical operation using a tool that removes a circular piece of bone or tissue.


Example

The surgeon had to trephine the skull to relieve pressure on the brain.


Tense Forms

Past: trephined

Past Participle: trephined


Conversation
Sloth A
Did you hear about the surgery he had last week?
Sloth B
Yeah, I heard they had to trephine to relieve some pressure.
Sloth A
That sounds intense; I can't believe they did that!
Sloth B
Root Explanation

Trephine comes from the Greek word "trēpanon" (meaning a borer or drill) and the suffix "-ine" (indicating a relationship or pertaining to). The word refers to a surgical instrument used to bore or drill into the skull.

Memory Tip

Imagine a tool that 'drills' ('trēpanon') into the skull, which helps you remember that a trephine is a surgical instrument for that purpose.

Visually Confused Words
repine
tropine
tragelaphine
terpine
reshine
repiner
crepine
Is this page helpful?
I know, right? It’s a pretty serious procedure.

Synonyms & Antonyms
Synonyms
bore
drill
cut
Antonyms
seal
close
repair