💡 Words with a Similar Meaning to "Fermi bubble"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| local bubblenoun | (astronomy) A cavity in the interstellar medium of the Orion Arm of the Milky Way estimated to be around 1,000 light years in diameter, with the Solar System sitting close to its centre; likely to be the result of a supernova which exploded in the last ten to twenty million years. |
| superbubblenoun | (astronomy) A very large region of space, relatively free of matter, carved out of the interstellar medium by the combination of multiple supernova bubbles resulting from supernovae. |
| fermi gasnoun | (physics) A gas composed of a large number of fermions. |
| warp bubblenoun | (astrophysics, science fiction) A detached region of spacetime which is theoretically capable of moving faster than the speed of light. |
| active galactic nucleusnoun | (astronomy) A compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion of the (measurable) electromagnetic spectrum. |
| fermi surfacenoun | (physics) An abstract boundary, of constant energy, useful for predicting the thermal, electrical, magnetic, and optical properties of metals, semimetals, and doped semiconductors. |
| fermi energynoun | (physics) The highest energy of a particle that is part of a many-particle system of identical fermions in its ground state. |
| active galaxynoun | (by restriction) A galaxy with an active nucleus (AGN, active galactic nucleus) |
| galaxy filamentnoun | (cosmology) A massive, thread-like formation of gravitationally bound galaxies forming the boundaries between large voids in the universe. |
| ferminoun | An obsolete name of the unit of length equal to one femtometre (10⁻¹⁵ m). |
| fermi questionnoun | Synonym of Fermi problem. |
| fermi estimatenoun | (physics, engineering) An estimate of the kind that answers a Fermi problem. |
| cosmic microwave backgroundnoun | (astronomy) Faint thermal radiation that pervades all space and is thought to be the remnants of the Big Bang, produced during the epoch of recombination. |
| fermiologynoun | (physics) The study of the configuration (shape and size) of Fermi surfaces. |
| fermi paradoxnoun | (exobiology) The seeming contradiction, serving as a challenge to believers in the existence of advanced lifeforms throughout the universe, that there is no scientific evidence that extraterrestrial civilizations have tried to visit or communicate with Earth. |
| warm-hot intergalactic mediumnoun | (astronomy) A sparse, warm-to-hot (10⁵ to 10⁷ K) plasma that cosmologists believe to exist in the spaces between galaxies and to contain 40–50% of the baryons in the universe at the current epoch. |
| fermium gapnoun | (nuclear physics) The phenomenon that elements beyond fermium cannot be synthesized by neutron bombardment, due to the very short spontaneous fission half-life of fermium-258. |
| blazarnoun | (astronomy) A very compact quasar, associated with a supermassive black hole at the center of an active galaxy. |
| mysteriumnoun | (chemistry, alchemy, now historical) Any of various unknown elements thought to make up existing forms of matter, or a substance seen as an elemental or pure form of something else. |
| fuzzballnoun | A ball of fuzzy material. |
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