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正电子发射断层照相术

zhèng diàn zǐ fā shè duàn céng zhào xiāng shùdictionary entry
DEFINITION CC-CEDICT
positron emission tomography (PET)
Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-132b2cac47c3ed5e. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

正電子發射斷層照相術 正电子发射断层照相术 [zheng4 dian4 zi3 fa1 she4 duan4 ceng2 zhao4 xiang1 shu4] /positron emission tomography (PET)/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

Other forms in these source records: 正電子發射斷層照相術

  • 正
    zhēng

    first month of the lunar year

    zhèng

    straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive

  • 电
    diàn

    lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc

  • 子
    zǐ

    son / child / seed / egg / small thing / 1st earthly branch: 11 p.m.–1 a.m., midnight, 11th solar month (7th December to 5th January), year of the rat / viscount, fourth of five orders of nobility 五等爵位[wǔ děng jué wèi] / ancient Chinese compass point: 0° (north) / subsidiary / subordinate / (prefix) sub-

    zi

    noun suffix, as in 椅子[yǐ zi] "chair"

  • 发
    fā

    to send out / to show (one's feeling) / to issue / to develop / to make a bundle of money / classifier for gunshots (rounds)

    fà

    hair / Taiwan pr. [fǎ]

  • 射
    shè

    to shoot / to launch / to allude to / radio- (chemistry)

  • 断
    duàn

    to break / to snap / to cut off / to give up or abstain from sth / to judge / (usu. used in the negative) absolutely / definitely / decidedly

  • 层
    céng

    to pile on top of one another / layer / stratum / floor (of a building) / story / (math.) sheaf / classifier for layers

  • 照
    zhào

    to shine / to illuminate / according to / in accordance with / to reflect / to look at (one's reflection) / to take (a photo) / photo / as requested / as before

  • 相
    xiāng

    each other / one another / mutually / fret on the neck of a pipa 琵琶[pí pa] (a fret on the soundboard is called a 品[pǐn])

    xiàng

    appearance / portrait / picture / government minister / (physics) phase / (literary) to appraise (esp. by scrutinizing physical features) / to read sb's fortune (by physiognomy, palmistry etc)

    Xiāng

    surname Xiang

  • 术
    zhú

    (bound form) Atractylodes (genus of perennial herbs in the daisy family, used in TCM)

    shù

    (bound form) art / skill / discipline / (bound form) method / technique / strategy

Reference definitions from CC-CEDICT.