spacetime

大学

时空

发音

US /ˈspeɪsˌtaɪm/

词形变化

spacetimes 复数 spacetimes

别名

space-time time-space

教材释义与例句

时空

释义与例句

n.
  1. 1.

    The four-dimensional continuum of the three spatial dimensions plus time.

    时空

    不可数 物理 可数

    An event is a point in spacetime, specified by the coordinates x, y, z, and t.

  2. 2.

    An n-dimensional continuum consisting of dimensions of both space and time. Normally spacetime is considered as having 4 dimensions (x, y, z, t), but higher-dimensional spacetimes are often encountered in theoretical physics, e.g. the 5-dimensional spacetime of Kaluza-Klein theory or the 11 dimensions of spacetime in M-theory.

    可数 不可数 物理

    a Minkowski spacetime

    a 5-dimensional spacetime

  3. 3.

    A specific region of the universe with mathematically different properties than the surrounding spacetime. Synonymous with "metric" within the context of general relativity.

    可数 不可数

    a Schwarzschild spacetime

    a Reissner-Nordström spacetime

词汇关系

名词

上位词 3

frame of reference coordinate system reference frame

相关短语

spacetime physics spacetime singularity spacetime singularities spacetime metric spacetime metrics Minkowski spacetime 闵可夫斯基时空

词源

From space + time, as a calque of German Raumzeit, introduced in this sense by Hermann Minkowski. First appears in print c. 1893 in the Philosophical Review.

来源：wiktionary