A einstein


[ahyn-stahyn; german ahyn-shtahyn] /ˈaɪn staɪn; german ˈaɪnˌʃtaɪn/
noun
albert
[al-bert;; german ahl-bert] /ˈæl bərt;; german ˈɑl bɛrt/ (show ipa), 1879–1955, german physicist, u.s. citizen from 1940: formulator of the theory of relativity; n-bel prize 1921.
alfred
[al-frid;; german ahl-fret] /ˈæl frɪd;; german ˈɑl frɛt/ (show ipa), 1880–1952, german musicologist in u.s.
(lowercase) physics, chemistry. a unit of radiant energy, equal to the energy of radiation that is capable of photochemically changing one mol of a photosensitive substance.
einstein
/ˈaɪnstaɪn/
noun
albert. 1879–1955, us physicist and mathematician, born in germany. he formulated the special theory of relativity (1905) and the general theory of relativity (1916), and made major contributions to the quantum theory, for which he was awarded the n-bel prize for physics in 1921. he was noted also for his work for world peace
derived forms
einsteinian, adjective
einstein
n.

as a type-name for a genius, 1920, in reference to german-born theoretical physicist albert einstein (1879-1955). according to “german-american names” (george f. jones, 3rd ed., 2006) it means literally “place encomp-ssed by a stone wall.”

einstein ein·stein (īn’stīn’), albert. 1879-1955.

german-born american theoretical physicist whose special and general theories of relativity revolutionized modern thought on the nature of sp-ce and time and formed a theoretical base for the exploitation of atomic energy. he won a n-bel prize in 1921 for his explanation of the photoelectric effect.
einstein
(īn’stīn’)
german-born american theoretical physicist whose theories of special relativity (1905) and general relativity (1916) revolutionized modern thought on the nature of sp-ce and time and formed a theoretical base for the exploitation of atomic energy. he won the 1921 n-bel prize for physics for his explanation of the photoelectric effect.

our living language : by around 1900, the increased precision of new measuring instruments had shown that the laws of motion and gravity established by galileo and newton were unable to explain certain phenomena. the observed orbit of mercury, for example, differed slightly from that predicted by newton, and laws describing the motion of electromagnetic waves left many electrical effects unexplained. in 1905, an unknown 26-year-old patent office clerk named albert einstein published four papers that not only solved these problems, but revolutionized physics. the first two presented his special theory of relativity, which departed from the cl-ssical newtonian concepts of sp-ce and time in its -ssertion that all reference frames (all coordinate systems) do not measure sp-ce and time equivalently. that is, sp-ce and time are not the same throughout the universe, but depend on the motion of the observer. but for einstein, not everything was relative. following the electromagnetic theory of maxwell, einstein argued that the speed of light is the same for all observers, and introduced a new concept of sp-ce-time to reconcile this with concepts of relative motion. he also introduced the famous equation expressing a direct relation between m-ss and energy, e = mc2, known as m-ss-energy equivalence. a third paper -n-lyzed electromagnetic radiation such as light in terms of particles called photons, and explained how some substances, when exposed to such radiation, eject electrons in a quantum process called the photoelectric effect. a fourth paper explained the random movement of particles suspended in a fluid, now known as brownian motion. in 1916, in his general theory of relativity, einstein described gravity as a warping of sp-ce-time (as opposed to newton’s force) caused by the mere presence of objects possessing m-ss. einstein’s new conception of gravity correctly predicted mercury’s observed orbit, and his work on photons led to a more accurate description of electromagnetic radiation. in his later years, einstein devoted himself to a search for a theory that would unify gravity with the other three fundamental forces in nature: the strong force, the electromagnetic force, and the weak force. this search is still ongoing.

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