dān wèi qiē xiàng liàngdictionary entry
DEFINITION CC-CEDICT
(math.) unit tangent vector
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-77103c6f40f7c770. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

單位切向量 单位切向量 [dan1 wei4 qie1 xiang4 liang4] /(math.) unit tangent vector/

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: 單位切向量

  • 单
    chán

    used in 單于|单于[chán yú]

    dān

    bill / list / form / single / only / sole / odd number / CL:個|个[gè]

    Shàn

    surname Shan

  • 位
    wèi

    position / location / place / seat / classifier for people (honorific) / classifier for binary bits (e.g. 十六位 16-bit or 2 bytes) / (physics) potential

  • 切
    qiē

    to cut / to slice / to carve / (math.) tangential

    qiè

    definitely / absolutely (not) / (scoffing or dismissive interjection) Yeah, right. / Tut! / to grind / (bound form) close to / (bound form) eager / to correspond to / (used to indicate that the fanqie 反切[fǎn qiè] system should be applied to the previous two characters)

  • 向
    xiàng

    towards / to face / to turn towards / direction / to support / to side with / shortly before / formerly / always / all along / (suffix) suitable for ... / oriented to ... / to tend toward / to guide / orientation / to turn toward / to

    Xiàng

    surname Xiang

  • 量
    liáng

    to measure

    liàng

    capacity / quantity / amount / to estimate / abbr. for 量詞|量词[liàng cí], classifier (in Chinese grammar) / measure word

Reference definitions from CC-CEDICT.