← Từ điển

vacuum

B1 noun

vacuum /ˈvæ.kjuːm/ nghĩa là chân không

Các nghĩa

  1. chân không

    A region of space that contains no matter.

    I got this vacuum cleaner for nothing.

    Mac helped me carry the vacuum cleaner.

    This vacuum cleaner makes a lot of noise.

  2. chân không

    The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.

    a vacuum of 26 inches of mercury, or 13 pounds per square inch

  3. không-thời gian chân không

    A spacetime having tensors of zero magnitude.

  4. trạng thái chân không

    A ground state of a quantum field or of local spacetime, or more abstractly the lowest-energy state of a system.

  5. mô tả không-thời gian chân không

    A description of spacetime resulting from a particular compactification of spatial dimensions.

  6. khoảng trống

    An emptiness in life created by a loss of a person who was close, or of an occupation.

    Henrietta soon found a terrible vacuum left, by the letters in which she used to pour forth every feeling and thought to her uncle.

+ 1 nghĩa khác

  1. bài tập hóp bụng

    An exercise in which one draws their abdomen towards the spine.

    Abs show up in a most-muscular shot, a vacuum shot, the hands-behind-head compulsory ab shot, twisting poses, and so on.

    Right I'm off to practice my vacuum - suck in those stomachs now!

    When I do the 'gut vacuum' exercise the abdominal wall seems to return to normal size, as far as I can tell under the flab.

Dạng khác