trephine

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Related to Treponema vincentii: Spirochaetaceae, Acrobates, Treponema denticola, treponemes

tre·phine

 (trĭ-fīn′)
n.
A surgical instrument with a cylindrical saw usually used for removing a disk of bone, especially from the skull, or for removing corneal tissue.
tr.v. tre·phined, tre·phin·ing, tre·phines
To operate on with a trephine.

[French tréphine, from obsolete English trefine, from Latin trēs fīnēs, three ends : trēs, three; see trei- in Indo-European roots + fīnēs, pl. of fīnis, end.]

treph′i·na′tion (trĕf′ə-nā′shən) n.

trephine

(trɪˈfiːn)
n
(Surgery) a surgical sawlike instrument for removing circular sections of bone, esp from the skull
vb
(Surgery) (tr) to remove a circular section of bone from (esp the skull)
Also called: trepan
[C17: from French tréphine, from obsolete English trefine trepan1, allegedly from Latin trēs fīnēs literally: three ends; influenced also by English trepane trepan1]
trephination n

tre•phine

(trɪˈfaɪn, -ˈfin)

n., v. -phined, -phin•ing. n.
1. a small circular saw used in surgery to remove disks of bone, esp. from the skull.
v.t.
2. to operate upon with a trephine.
[1620–30; sp. variant of trefine, orig. trafine, b. trapan (variant of trepan1) and Latin phrase trēs fīnēs three ends]
treph•i•na•tion (ˌtrɛf əˈneɪ ʃən) n.

trephine


Past participle: trephined
Gerund: trephining

Imperative
trephine
trephine
Present
I trephine
you trephine
he/she/it trephines
we trephine
you trephine
they trephine
Preterite
I trephined
you trephined
he/she/it trephined
we trephined
you trephined
they trephined
Present Continuous
I am trephining
you are trephining
he/she/it is trephining
we are trephining
you are trephining
they are trephining
Present Perfect
I have trephined
you have trephined
he/she/it has trephined
we have trephined
you have trephined
they have trephined
Past Continuous
I was trephining
you were trephining
he/she/it was trephining
we were trephining
you were trephining
they were trephining
Past Perfect
I had trephined
you had trephined
he/she/it had trephined
we had trephined
you had trephined
they had trephined
Future
I will trephine
you will trephine
he/she/it will trephine
we will trephine
you will trephine
they will trephine
Future Perfect
I will have trephined
you will have trephined
he/she/it will have trephined
we will have trephined
you will have trephined
they will have trephined
Future Continuous
I will be trephining
you will be trephining
he/she/it will be trephining
we will be trephining
you will be trephining
they will be trephining
Present Perfect Continuous
I have been trephining
you have been trephining
he/she/it has been trephining
we have been trephining
you have been trephining
they have been trephining
Future Perfect Continuous
I will have been trephining
you will have been trephining
he/she/it will have been trephining
we will have been trephining
you will have been trephining
they will have been trephining
Past Perfect Continuous
I had been trephining
you had been trephining
he/she/it had been trephining
we had been trephining
you had been trephining
they had been trephining
Conditional
I would trephine
you would trephine
he/she/it would trephine
we would trephine
you would trephine
they would trephine
Past Conditional
I would have trephined
you would have trephined
he/she/it would have trephined
we would have trephined
you would have trephined
they would have trephined
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trephine - a surgical instrument used to remove sections of bone from the skulltrephine - a surgical instrument used to remove sections of bone from the skull
surgical instrument - a medical instrument used in surgery
Verb1.trephine - operate on with a trephinetrephine - operate on with a trephine    
operate on, operate - perform surgery on; "The doctors operated on the patient but failed to save his life"
Translations

trephine

[treˈfiːn]
A. Ntrépano m
B. VTtrepanar
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