| 释义 |
trepan
tre·pan 1 T0340700 (trĭ-păn′)n.1. A rock-boring tool used in mining for sinking shafts.2. Medicine A trephine.tr.v. tre·panned, tre·pan·ning, tre·pans 1. To bore (a shaft) with a trepan.2. To bore or otherwise make a hole in (the skull), as in certain prehistoric cultures or in surgery using a trephine.
[Middle English trepane, surgical crown saw, from Medieval Latin trepanum, from Greek trūpanon, borer, from trūpān, to pierce, from trūpē, hole; see terə- in Indo-European roots.]
trep′a·na′tion (trĕp′ə-nā′shən) n.
tre·pan 2 T0340700 (trĭ-păn′) Archaic tr.v. tre·panned, tre·pan·ning, tre·pans To trap; ensnare.n.1. A trickster.2. A trick or snare.
[Origin unknown.]trepan (trɪˈpæn) n1. (Surgery) surgery an instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull). Compare trephine2. (Tools) a tool for cutting out circular blanks or for making grooves around a fixed centre3. (Mechanical Engineering) a. the operation of cutting a hole with such a toolb. the hole so producedvb (tr) , -pans, -panning or -panned4. (Mechanical Engineering) to cut (a hole or groove) with a trepan5. (Surgery) surgery another word for trephine[C14: from Medieval Latin trepanum rotary saw, from Greek trupanon auger, from trupan to bore, from trupa a hole] trepanation n treˈpanner n
trepan (trɪˈpæn) or trapanvb (tr) , -pans, -panning or -panned1. to entice, ensnare, or entrap2. to swindle or cheatna person or thing that traps[C17: of uncertain origin]tre•pan1 (trɪˈpæn)
n., v. -panned, -pan•ning. n. 1. a tool for cutting shallow holes by removing a core. v.t. 2. to cut circular disks from (plate stock) using a rotating cutter. 3. to operate on surgically with a trephine. [1350–1400; Middle English trepane < Middle French trepan crown saw < Medieval Latin trepanum < Greek trypanon borer, akin to trŷpa hole, trȳpân to bore] trep•a•na•tion (ˌtrɛp əˈneɪ ʃən) n. tre•pan′ner, n. tre•pan2 (trɪˈpæn)
n., v. -panned, -pan•ning. Archaic. n. 1. a trickster. 2. a snare. v.t. 3. to ensnare or entrap. [1635–45; earlier trapan= trap1 + -an, of uncertain orig.] trepan
Past participle: trepanned
Gerund: trepanning
| Present |
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| I trepan | | you trepan | | he/she/it trepans | | we trepan | | you trepan | | they trepan |
| Preterite |
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| I trepanned | | you trepanned | | he/she/it trepanned | | we trepanned | | you trepanned | | they trepanned |
| Present Continuous |
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| I am trepanning | | you are trepanning | | he/she/it is trepanning | | we are trepanning | | you are trepanning | | they are trepanning |
| Present Perfect |
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| I have trepanned | | you have trepanned | | he/she/it has trepanned | | we have trepanned | | you have trepanned | | they have trepanned |
| Past Continuous |
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| I was trepanning | | you were trepanning | | he/she/it was trepanning | | we were trepanning | | you were trepanning | | they were trepanning |
| Past Perfect |
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| I had trepanned | | you had trepanned | | he/she/it had trepanned | | we had trepanned | | you had trepanned | | they had trepanned |
| Future |
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| I will trepan | | you will trepan | | he/she/it will trepan | | we will trepan | | you will trepan | | they will trepan |
| Future Perfect |
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| I will have trepanned | | you will have trepanned | | he/she/it will have trepanned | | we will have trepanned | | you will have trepanned | | they will have trepanned |
| Future Continuous |
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| I will be trepanning | | you will be trepanning | | he/she/it will be trepanning | | we will be trepanning | | you will be trepanning | | they will be trepanning |
| Present Perfect Continuous |
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| I have been trepanning | | you have been trepanning | | he/she/it has been trepanning | | we have been trepanning | | you have been trepanning | | they have been trepanning |
| Future Perfect Continuous |
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| I will have been trepanning | | you will have been trepanning | | he/she/it will have been trepanning | | we will have been trepanning | | you will have been trepanning | | they will have been trepanning |
| Past Perfect Continuous |
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| I had been trepanning | | you had been trepanning | | he/she/it had been trepanning | | we had been trepanning | | you had been trepanning | | they had been trepanning |
| Conditional |
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| I would trepan | | you would trepan | | he/she/it would trepan | | we would trepan | | you would trepan | | they would trepan |
| Past Conditional |
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| I would have trepanned | | you would have trepanned | | he/she/it would have trepanned | | we would have trepanned | | you would have trepanned | | they would have trepanned |
Thesaurus| Noun | 1. |  trepan - a surgical instrument used to remove sections of bone from the skulltrephinesurgical instrument - a medical instrument used in surgery | | 2. |  trepan - a drill for cutting circular holes around a centerdrill - a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) | | Verb | 1. |  trepan - cut a hole with a trepan, as in surgerysurgical operation, surgical procedure, surgical process, surgery, operation - a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery"drill, bore - make a hole, especially with a pointed power or hand tool; "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil"; "carpenter bees are boring holes into the wall" |
TranslationstrapanaretrapanobeetnemenfoppenEncyclopediaSeeTrepanationtrepan
trephine [trĕ-f€īn´, trĕ-fēn´] 1. a saw for removing a disk of bone, chiefly from the skull. Trephine. From Dorland's, 2000.2. an instrument for removing a circular area of cornea.3. to remove with this instrument.trepan (trĭ-păn′)n.1. A rock-boring tool used in mining for sinking shafts.2. Medicine A trephine.tr.v. tre·panned, tre·panning, tre·pans 1. To bore (a shaft) with a trepan.2. To bore or otherwise make a hole in (the skull), as in certain prehistoric cultures or in surgery using a trephine.
trep′a·na′tion (trĕp′ə-nā′shən) n.tre·phine , trepan (trē-fīn', trĕ-pan') 1. A cylindric or crown saw used for the removal of a disc of bone, especially from the skull, or of other firm tissue as that of the cornea. 2. To remove a disc of bone or other tissue by means of a trephine. [contrived fr. L. tres fines, three ends]tre·phine , trepan (trē-fīn', trĕ-pan') 1. A cylindric or crown saw used for the removal of a disc of bone, especially from the skull, or of other firm tissue. 2. To remove a disc of bone or other tissue by means of a trephine. [contrived fr. L. tres fines, three ends]trepan
Synonyms for trepannoun a surgical instrument used to remove sections of bone from the skullSynonymsRelated Wordsnoun a drill for cutting circular holes around a centerRelated Wordsverb cut a hole with a trepan, as in surgeryRelated Words- surgical operation
- surgical procedure
- surgical process
- surgery
- operation
- drill
- bore
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