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单词 backbone
释义

backbonen.

/ˈbakˈbəʊn/
Forms: Middle English bacbon, Middle English bakbon, bakebon, Middle English bakbone, Middle English–1600s backebone, 1500s– backbone. (In Middle English–1600s often two words; still sometimes hyphenated.)
Etymology: < back n.1 1 + bone n.1
1. The vertebral column, the spine. to the backbone: thoroughly, completely.
ΘΚΠ
the world > life > the body > structural parts > bone or bones > spine > [noun]
ridgeeOE
ridge boneOE
backbonea1300
chinec1300
rigbonec1400
spinac1400
spinec1400
spine-bonec1400
chine-bone?1533
vertebre1578
vertebre1623
vertebrasa1632
rachis1693
vertebres1696
vertebra1791
vertebral column1828
spinal column1866
the world > relative properties > wholeness > completeness > completely [phrase] > thoroughly > from beginning to end or through and through
to the boneOE
through and throughc1225
out and outc1300
from top to tail1303
out and inc1390
(from) head to heel (also heels)c1400
(from) head to foot (also feet)c1425
from top to (into, unto) toec1425
to the skin1526
to one's (also the) finger (also fingers') ends1530
from first to last1536
up and down1542
whole out1562
to the pith1587
to the back1594
from A to (also until) Z1612
from clew to earing1627
from top to bottom1666
back and edge1673
all hollow1762
(all) to pieces1788
from A to Za1821
to one's (also the) fingertips1825
to one's fingernails1851
from tip to toe1853
down to the ground1859
to the backbone1864
right the way1867
pur sang1893
from the ground up1895
in and out1895
from soda (card) to hock1902
a1300 W. de Biblesworth in Wright Voc. 146 Bacbon, l'etchine.
a1400 Leg. Rood 190 Þe cros behind his bakbon Þat he þolud deth uppon.
?1523 J. Fitzherbert Bk. Husbandry f. xxvii He woll eate so moche that his sydes woll stande as hye as his backe bone.
1647 J. Hall Poems ii. 89 How many back-bones nourisht have Crawling Serpents in the grave?
1849 W. Irving Crayon Misc. 165 It struck a buffalo..broke its back-bone.
1864 Duke of Manchester Court & Society II. 107 Harry was English to the backbone.
2. transferred. A main support or axis, or chief substantial part; e.g. the backbone of a bicycle; the chief mountain-range (esp. U.S.) or water-shed of a country.
ΘΚΠ
the world > space > relative position > support > [noun] > that which supports > main or central support
summer1324
spine1665
backbone1684
1684 T. Burnet Theory of Earth i. 142 The Appennines strike through Italy..the back-bone of that country.
1816 U. Brown in Maryland Hist. Mag. 10 280 On the West Side of the Aleghany Mountain, the Back-Bone of America.
1816 U. Brown in Maryland Hist. Mag. 11 359 Baker informed us, that Fairfaxes Stone..lay between what was called the Back-bone and the Alleghany Mountain.
1835 Southern Lit. Messenger 1 615 In the distance, the ‘back bone’ of the Alleghany.
1865 E. B. Tylor Res. Early Hist. Mankind vii. 162 The Cordilleras, or backbone of America.
1879 A. Galletly in Cassell's Techn. Educator IV. 390/2 The ‘back-bone’ of the chenille..is composed of several strong cotton threads.
1885 ‘C. E. Craddock’ Prophet Great Smoky Mountains xii. 234 ‘Over yander on the backbone,’ returned the guileless Jacob,..pointing toward the base of the mountain.
1920 J. M. Hunter Trail Drivers of Texas 150 When we arrived on the divide of the backbone,..we passed along.
3. figurative. The main or important element; mainstay.
ΘΚΠ
the mind > attention and judgement > importance > [noun] > that which is important > most important > support
pillara1555
sinew1579
mainstay1604
axisa1625
backbone1849
1849 R. Cobden Speeches 64 I speak to the clothiers..the backbone and muscle of the clothing district of England.
1871 J. Earle Philol. Eng. Tongue vii. 261 We are now come to the backbone of our subject.
1884 J. Bent in Macmillan's Mag. Oct. 429/2 A secret society which was the backbone of Panhellenism.
4. Strength of character, stability of purpose, resoluteness, sturdiness, firmness.
ΘΚΠ
the mind > will > decision > constancy or steadfastness > [noun] > capacity for moral effort or endurance
thildc950
strengthOE
dureec1330
rankc1400
tolerance1412
adamant1445
toleration1531
validity1578
durance1579
bent1604
strongness1650
duress1651
strength1667
durableness1740
stamina1803
willpower1842
backbone1843
thewness1860
sand1867
upbearing1885
wiriness1892
gut1893
sisu1926
1843 C. Brontë Let. 13 Oct. in E. C. Gaskell Life C. Brontë (1857) I. xii. 299 A pretty-looking..young man, apparently constructed without a backbone... I don't allude to his corporal spine..but to his character.
1857 Republic in J. R. Bartlett Dict. Americanisms Backbone is the material which is designed to make an upright man.
1859 J. R. Bartlett Dict. Americanisms (ed. 2) 17 Backbone, moral stamina..a figurative expression recently much used in political writings.
1865 Sat. Rev. 18 Feb. 195 A great man he..could never have been..for his character was destitute of backbone.
1884 Pall Mall Gaz. 23 Feb. 5 [This] has completely taken the backbone out of the discount market.

Draft additions February 2005

Chemistry. A chain of atoms or groups which forms the main structural axis of a molecule, esp. a polymer.
ΚΠ
1915 A. P. Mathews Physiol. Chem. iv. 170 In these suggestions the backbone of the molecule consisted of four molecules of phosphoric acid to which the bases and carbohydrates were attached.
1932 Jrnl. Soc. Chem. Industry Trans. 51 141/2 If the structure of proteins is considered, their molecules are found to consist essentially of a main axis or backbone, which has a repeating unit formed of a three-atom chain.
1961 Ann. Reg. 1960 401 The polypeptide chain, the backbone of the protein molecule, was found to be coiled in a helix-like spiral spring with only a space inside.
1999 Ambix 46 94 A complete chemical description of the sugar backbone of desoxyribose nucleic acid was now possible.

Draft additions February 2005

Telecommunications and Computing. A primary or central link in a communications network; the infrastructure formed by a system of such links. In later use frequently: spec. a high-speed, high-capacity digital connection which forms the axis of a local or wide area network.
ΘΚΠ
society > computing and information technology > network > [noun]
backbone1924
computer network1950
network1962
mesh1977
cloud1997
1924 Bell Syst. Techn. Jrnl. 3 495Backbone’ circuits..supply a network of trunk lines for the entire Bell system.
1970 IEEE Trans. Vehicular Technol. 19 57/1 The following backbone would have the communications capacity of transmitting a video bandwidth signal plus the equivalent bandwidth of 110 narrow-band FM channels in each direction.
1987 Desktop Publ. Today Nov. 35/4 Fastpath can also be used to bridge AppleTalk networks along a high speed Ethernet backbone.
1995 Internet World Aug. 14/2 On May 13 the U.S. Government officially dismantled the NSFnet—the Internet backbone running from New York to San Francisco—and turned Internet provision over to commercial vendors.
1999 Wired Dec. 347/1 To prevent such situations from clogging the backbone, each router subtracts 1 from this number, called the hop limit, every time it handles a packet.
This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2022).
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