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English Words Starting With S
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- space/speɪs/A continuous, unoccupied area or expanse available, separating, or surrounding things.adjectivenounverb+2A2
- space biology/ˈspeɪs baɪˈɒlədʒi/The branch of biology concerned with the study of living organisms in space or in extraterrestrial environments.nounC1/C2 (Specialized Academic/Technical)
- space blanket/ˈspeɪs ˌblæŋkɪt/A lightweight, reflective metallic sheet designed to retain body heat, originally developed for NASA and now widely used in first aid, outdoor activities, and emergency situations.nounC1
- space cadet/ˌspeɪs kəˈdet/A person who is perceived as being out of touch with reality, forgetful, or distracted; someone whose mind seems to be elsewhere.nounC1
- space capsule/ˈspeɪs ˌkæp.sjuːl/A small, sealed, pressurized vehicle designed to carry astronauts or instruments into space and return them safely to Earth.nounC1
- space carrier/speɪs ˈkær.i.ər/A large spacecraft designed to transport people, equipment, or smaller spacecraft between locations in space, particularly between Earth and orbital stations or other celestial bodies.nounC1
- space character/ˈspeɪs ˌkær.ək.tə(r)/A typographical or digital symbol representing an empty area or blank interval, specifically the character (U+0020) used to separate words in text.nounmedium
- space charge/speɪs tʃɑːdʒ/A distribution of electric charge within a region of space, often within a vacuum or semiconductor, created by an imbalance of mobile charged particles (e.g., electrons, ions).nounC1/C2 (Specialized Technical Term)
- space group/ˈspeɪs ˌɡruːp/A mathematical description of all the symmetry operations of a crystal structure, showing how atomic positions repeat in three-dimensional space.nounC2/very low frequency (highly specialized technical term)
- space heater/ˈspeɪs ˌhiːtə/A portable or stationary electrical or fuel-powered device designed to heat a single room or a confined area, not connected to a central heating system.nounC1
- space heating/ˈspeɪs ˌhiːtɪŋ/The act or process of heating the interior spaces of a building, rather than heating water or other fluids.nounB2
- space invaders/ˌspeɪs ɪnˈveɪdəz/A classic 1978 fixed-shooter arcade video game where the player defends Earth by shooting at descending rows of alien pixel-art spacecraft.nounC1
- space inversion/speɪs ɪnˈvɜː.ʃən/A symmetry operation in physics that reverses the spatial coordinates of a system, transforming every point (x, y, z) into (-x, -y, -z).nounC2
- space junk/ˈspeɪs ˌdʒʌŋk/Discarded human-made objects in orbit around Earth.nounC1
- space lattice/ˈspeɪs ˌlæt.ɪs/A regular, three-dimensional arrangement of points in space, representing the positions of atoms, ions, or molecules in a crystalline solid.nounC1-C2
- space law/speɪs lɔː/The body of law governing human activities in outer space and on celestial bodies.nounC2
- space mark/speɪs mɑːk/A typographical symbol or character used to indicate the presence of a space between words or elements in text, especially when the space itself is invisible.nounC2 / Very Low
- space medicine/speɪs ˈmɛd.sɪn/The branch of medicine concerned with the health of astronauts and the effects of space travel on the human body.nounLow
- space opera/ˌspeɪs ˈɒp(ə)rə/A subgenre of science fiction that emphasizes romantic, melodramatic adventure, and large-scale conflict set in outer space or on other planets, often involving interstellar civilizations, epic battles, and heroic characters.nounMedium
- space platform/speɪs ˈplætfɔːm/A structure or base located in outer space, used for purposes such as research, observation, or as a launch point.nounLow
Showing 9461–9480 of 15552 words.