spacetime

名词 n.
中文释义
美 /ˈspeɪsˌtaɪm/

英文释义

名词 n.
  1. The four-dimensional continuum of the three spatial dimensions plus time. uncountable
    — An event is a point in spacetime, specified by the coordinates x, y, z, and t.
  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. countable,uncountable
    — a Minkowski spacetime
  3. A specific region of the universe with mathematically different properties than the surrounding spacetime. Synonymous with "metric" within the context of general relativity. countable,uncountable
    — a Schwarzschild spacetime

词形变化

spacetimes plural space-time alternative time-space alternative

词汇关系

衍生词
absolute space-time cyberspacetime prespacetime spacetime metric spacetime physics spacetime singularity
相关词
time-distance
并列词
temporospatial spatiotemporal

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.
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