Word Explorer

Ylem

💡 Words with a Similar Meaning to "Ylem"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
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.
big bangnoun	(cosmology) The cosmic event that marks the beginning of time and the rapid expansion of space for the visible universe. The evolution of the universe since that beginning point is described by the Big Bang Theory.
baryogenesisnoun	(cosmology) The generation of baryonic matter in the early moments of the Big Bang.
big bouncenoun	(cosmology) The Big Bang when conceived by certain cosmological models as having followed the collapse of a previous universe.
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.
extragalactic background lightnoun	All the accumulated radiation in the universe due to star formation processes, plus a contribution from active galactic nuclei (AGNs).
lambdanoun	(physics, mathematics) Unit representation of wavelength.
cosmic background radiationnoun	(astronomy) All the electromagnetic radiation entering the Earth from non-point sources in deep space, generally attributed to the Big Bang.
superbouncenoun	An extremely big bounce.
leptogenesisnoun	(physics) The differential production of leptons, rather than antileptons, in the early universe
cosmic infrared backgroundnoun	Low-level infrared radiation originating from all directions in space.
weakly symmetric matternoun	(physics) A predicted very high-energy state of matter, present in the very early universe for perhaps 10⁻¹² seconds after the Big Bang, when strong, weak, and electromagnetic forces were undistinguished.
inflationnoun	(economics) An increase in the quantity of money, leading to a devaluation of existing money, adjusted for by way of higher nominal values.
gravitational wave backgroundnoun	Ellipsis of cosmic gravitational-wave background. [The stochastic background of gravitational waves produced during the creation of the universe.]
planck epochnoun	(physics, cosmology) The period immediately after the Big Bang, typically viewed at around one Planck time, whereby all forces were unified.
cosmoparticlenoun	(physics, astronomy) Any subatomic particle of cosmological origin
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.
enormous lyman-alpha nebulanoun	(astronomy) A large gas cloud (nebula) larger than galaxies, found in intergalactic space, which radiates with an emission spectrum containing 2.47 THz lines (Lyman-alpha lines).
cosmological redshiftnoun	(astronomy) That part of any redshift that is accounted for by the expansion of spacetime following the Big Bang
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.