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单词 steady state
释义

steady staten.

Etymology: < steady adj. + state n.
1. An unvarying condition; a state of equilibrium.
ΘΚΠ
the world > time > change > absence of change, changelessness > stability, fixity > [noun]
stablenessa1300
tack1412
steadfastnessc1450
surenessc1450
stability1470
radicationa1500
constance1509
steadiness1530
certitudea1533
firmance1533
staidness1556
establishment1561
settledness1571
settling1582
state1597
groundedness1601
inviscerationa1631
setness1642
unmalleableness1644
fixedness1647
poise1649
inveteracy1716
well-foundedness1735
fixity1791
unmalleability1828
deep-rootedness1860
instatement1877
steady state1885
hard and fastness1897
1885 Electrician 10 Jan. 180/1 With special arrangements (solenoidal) of impressed force, there is no transmission of energy in the steady state.
1905 Nature 27 July 293/2 His [sc. Planck's] ensemble of systems has not yet reached a statistical ‘steady state’.
1930 A. E. Ruark & H. C. Urey Atoms, Molecules & Quanta ix. 272 These five quantum numbers may be taken as those required to fix the steady states of an atom in a strong magnetic field.
1963 Wall St. Jrnl. 19 Aug. It long had been held by many scientists that the universe is in a steady state, that, in its general features, it is the same now as it always has been.
1971 Nature 8 Jan. 75/1 If present patterns..continue, the annual death rate from lung cancer will increase from about 15,000 to more than 45,000 in the steady state that will be attained in the 1980s.
1977 Lancet 3 Sept. 509/2 Plasma-carbamazepine concentrations were in steady state in all patients.
2. attributive (frequently with hyphen).
a. gen.
ΘΚΠ
the world > time > change > absence of change, changelessness > [adjective]
fasteOE
inunvariable1535
uniform1559
changeless1575
unvariant1582
wasteless1589
unchanging1595
inherent1601
unselfchanging1605
shiftless1606
ne'er-changinga1616
waxlessa1618
immutable1621
equal1626
irreducible1633
indiminishable1641
imprevaricable1644
Median1649
undiminishable1653
assiduous1661
unvarying1690
unfluctuating1723
unrelapsing1740
stable1742
unarbitrary1793
untransferable1794
unaltering1813
constant1817
all-or-nothing1853
all-or-none1864
reducelessc1864
unaugmentable1868
invariant1874
inadaptive1886
plateaued1899
steady state1909
hardcore1951
homoeostatic1955
monochromatic1959
1909 London, Edinb. & Dublin Philos. Mag. 6th Ser. 17 251 There is no a priori reason why there should not be different ‘steady state’ formulæ corresponding to different kinds of matter.
1942 Jrnl. Appl. Physics 13 710/2 The steady state current is then the difference of the expressions for the total current and for the transient current.
1965 H. I. Ansoff Corporate Strategy iii. 32 The microeconomic theory of the firm..is basically a steady-state theory concerned with successive equilibrium conditions.
1970 J. Earl How to choose Tuners & Amplifiers iii. 66 For good quality listening we should not go in for anything less than..8W steady-state power per channel.
1976 Conservation News Nov.–Dec. 22/1 The author is sceptical that steady-state economics will ever find practical application, since people's desires for consumption show no evidence of having a reasonable upper limit.
1977 A. Hallam Planet Earth 296 Hutton and Lyell were postulating a steadystate Earth—ceaseless piecemeal local change was occurring. But the consequence of such change was to maintain from the indefinite past to the indefinite future an overall, constant equilibrium in the terrestrial economy.
1978 P. Marsh et al. Rules of Disorder iv. 112 Evidence for the existence of a ‘steady-state’ system of rules and a sense of social propriety.
b. Astronomy. Used with reference to any cosmological theory which embraces the principle that on a large scale the universe is essentially unchanging in time and space; spec. the theory propounded by Bondi, Gold, and Hoyle of an isotropic universe expanding at a constant rate, with matter being continuously created so that mean density of the universe remains constant.
ΘΚΠ
the world > the universe > [noun] > specific
block universe1881
plenum1887
expanding universe1931
steady state1948
1948 Bondi & Gold in Monthly Notices Royal Astron. Soc. CVIII. 252 (heading) The steady-state theory of the expanding universe.
1955 Sci. News 37 22 The steady-state theory was designed to overcome a difficulty in the world-models of general relativity which no longer exists. Until a few years ago it was thought that these gave a value for the age of the universe..which was too small to satisfy other astrophysical evidence.
1969 Times 23 June 6/7 The steady state theory..says that the universe looks roughly the same from any position and at any time in the past, present or future.
1971 J. Z. Young Introd. Study Man xxvi. 363 There are other versions of steady-state cosmologies according to which new galaxies are continuously being formed by newly created matter.
1973 ‘D. Halliday’ Dolly & Starry Bird xiii. 188 Innes is a Steady-State man, having done a sabbatical on radio astronomy at Cambridge.
1977 J. Narlikar Struct. Universe iv. 132 With the help of the PCP [Perfect Cosmological Principle], Bondi and Gold were able to deduce a number of important properties of the steady-state Universe. As we shall see.., they were able to deduce that such a Universe must continually expand.
1978 J. M. Pasachoff & M. L. Kutner University Astron. xxix. 732 If we have indeed discovered radiation from the big bang itself then clearly the steady state theory is discredited.

Derivatives

steady-stater n. an advocate of a steady-state theory of the universe.
ΘΚΠ
the world > the universe > cosmology > science of observation > theory > [noun] > system of astronomy > specific > person who holds
Ptolemean1647
Ptolemaic1654
Copernicana1676
Ptolemaist1682
nebulist1848
vorticist1866
Galilean1925
steady-stater1966
Velikovskyite1972
1966 Time 11 Mar. 51 As the galaxies move farther away from each other, steady-staters believe, new galaxies are constantly being formed.
1973 ‘D. Halliday’ Dolly & Starry Bird xiii. 188 Black holes..according to theory are nonluminous stars..concealing whole galaxies..to the satisfaction of all the Steady Staters.
This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018).
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