—spacer, n.n.1. the unlimited or incalculably great three-dimensional realm or expanse in which all material objects are located and all events occur.2. the portion or extent of this in a given instance; extent or room in three dimensions: the space occupied by a body.3. extent or area in two dimensions; a particular extent of surface: to fill out blank spaces in a document.4. Fine Arts.a. the designed and structured surface of a picture: In Mondrian's later work he organized space in highly complex rhythms.b. the illusion of depth on a two-dimensional surface.5. See outer space.6. See deep space.7. a seat, berth, or room on a train, airplane, etc.8. a place available for a particular purpose: a parking space.9. linear distance; a particular distance: trees separated by equal spaces.10. Math. a system of objects with relations between the objects defined.11. extent, or a particular extent, of time: a space of two hours.12. an interval of time; a while: After a space he continued his story.13. an area or interval allowed for or taken by advertising, as in a periodical, on the radio, etc.14. Music. the interval between two adjacent lines of the staff.15. an interval or blank area in text: a space between the letters.16. Print. one of the blank pieces of metal, less than type-high, used to separate words, sentences, etc.17. Telegraphy. an interval during the transmitting of a message when the key is not in contact.18. radio or television broadcast time allowed or available for a program, advertisement, etc.19. freedom or opportunity to express oneself, resolve a personal difficulty, be alone, etc.; allowance, understanding, or noninterference: Right now, you can help by giving me some space.v.t.20. to fix the space or spaces of; divide into spaces.21. to set some distance apart.22. Print., Writing.a. to separate (words, letters, or lines) by spaces.b. to extend by inserting more space or spaces (usually fol. by out).adj.23. of, pertaining to, or concerned with outer space or deep space: a space mission.24. designed for or suitable to use in the exploration of outer space or deep space: space tools; specially packaged space food for astronauts.[1250-1300; ME (n.) < OF espace < L spatium]
* * *(as used in expressions)European Aeronautic Defence and Space Co.European Space Agency ESAspace contractionSpace Transportation System STSspace time
* * *a boundless, three-dimensional extent in which objects and events occur and have relative position and direction.Space is treated in a number of articles. For a philosophical consideration of the subject, see metaphysics. For a discussion of the relativity of space and time, see relativity. For a description of space as the region of the universe beyond the Earth and its atmosphere, see Cosmos. For coverage of the scientific investigation of this region, see space exploration.See also astronomy.
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