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- DictionarySpace/spās/
noun
- 1. a continuous area or expanse which is free, available, or unoccupied: "a table took up much of the space"
- 2. the dimensions of height, depth, and width within which all things exist and move: "the work gives the sense of a journey in space and time"
verb
- 1. position (two or more items) at a distance from one another: "the poles are spaced 3 feet apart"
Learn the various meanings and uses of the word space as a noun and a verb, with synonyms, examples, and word history. Find out how space can refer to time, distance, area, volume, region, blank area, opportunity, and more.
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Space. Space is a three-dimensional continuum containing positions and directions. [1] In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime. [2]
Learn the meaning of space as an empty place, a distance, a time, or a region beyond Earth. Find out how to use space as a noun or a verb in different contexts and domains.
Learn the meaning of space as an empty place, a distance, a time, or a region beyond Earth. Find out how to use space in different contexts and domains with examples and synonyms.
- Space radiation invisible to human eyes. The majority of space is relatively empty, with just stray bits of dust and gas floating around. This means that when humans send a probe to a distant planet or asteroid, the craft will not encounter "drag" in the same way that an airplane does as it sails through space.
- Dark matter and energy. There remain two giant mysteries about space: dark matter and dark energy. While scientists have provided extensive evidence for the existence of dark matter and dark energy, they are each still poorly understood as, so far, scientists cannot directly observe them and can only observe their effects.
- Black holes. Smaller black holes can form from the gravitational collapse of a gigantic star, which forms a singularity from which nothing can escape — not even light, hence the name of the object.
- Stars, planets, asteroids and comets. Stars (like our own sun) are immense balls of gas that produce their own radiation. They can range from red supergiants to cooling white dwarfs that are the leftovers of supernovas, or star explosions that occur when a big one runs out of gas to burn.
Learn the various meanings and uses of the word space in English, from the area beyond the Earth's atmosphere to the gaps between letters or words. See synonyms, examples, pronunciation, and related words for space.
Learn the various meanings and uses of the word space, from the empty area between things to the region beyond the Earth's atmosphere. Find examples, synonyms, and related terms for space in Britannica Dictionary.
