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单词 radix
释义

radixn.

Brit. /ˈradɪks/, /ˈreɪdɪks/, U.S. /ˈrædɪks/, /ˈreɪdɪks/
Inflections: Plural radices /ˈreɪdɪsiːz/, radixes.
Origin: A borrowing from Latin. Etymons: Latin rādīc-, rādīx.
Etymology: < classical Latin rādīc-, rādīx root, root of a plant, root of a plant used in a medicinal preparation, radish, base of a part of the body, lower part, base, source, origin, ancestral root or stock, root of a word, in post-classical Latin also square root (frequently from c1120 in British sources), (in music) fundamental note of a hexachord (13th cent. in a British source), (in astronomy) radix, starting point for calculation (from 1344 in British sources) < the same Indo-European base as root n.1 Compare earlier race n.2 and the Romance parallels cited at that entry, and also Italian radice (see radish n.). Compare earlier root n.1
I. Senses corresponding to root n.1 I.
1. Botany. The root of a plant (now rare). Also in the names of pharmaceutical preparations of the roots of plants, with (usually postmodifying) post-classical or scientific Latin nouns or adjectives denoting the plant used.
ΘΚΠ
the world > plants > part of plant > root > [noun]
moreeOE
rootc1175
master-rootc1330
rootinga1400
radix1558
leg1597
taproot1601
top-root1651
tuberous root1668
heart-root1669
pivot1725
spill1766
tap1796
tutty-more1873
pneumatophore1891
stem root1901
heart-root1903
1558 W. Bullein Govt. Healthe f. lxxix Cassa fistula, Rammes Radix, The fleshe of an hare.
1574 G. Baker tr. Composition Oleum Magistrale sig. Oiiv The Radix chini beeing a root very deer.
1625 S. Purchas Pilgrimes IV. viii. ix. 1653 From that place where they abode, they brought Sassafras, Radix Chine, or the China Root, Beniamin, Cassia lignea and a rind of a tree more strong than any Spice as yet vnknowne.
1728 E. Chambers Cycl. at Root Radix,..that Part of a Plant which immediately imbibes the Juices of the Earth.
1826 Lancet 8 July 462/2 The materia medica has acquired a very valuable acquisition in the Radix Caincae.
1918 A. S. Fuller Propagation of Plants iv. 37 The stem or ascending axis..is that part of the plant which seeks the light and air; while the part growing in the opposite direction..is the..descending axis, or radix.
1968 Tetrahedron Lett. No. 35. 3799 The roots which were formerly used as medicinal drugs (Radix Vincetoxici), contain a mixture of glycosides.
2006 Jrnl. Ethnopharmacol. 105 346/2 Early reports suggest that the roots of Scutellaria baicalensis (Scutellariae Radix) possess anti-inflammatory and antipyretic properties.
2. Anatomy. The base or point of origin or attachment of an anatomical structure.
ΘΚΠ
the world > life > biology > physical aspects or shapes > specific areas or structures > [noun] > root or base
rootc1225
base?c1425
basis1615
fund1636
fundus1659
root end1675
origin1692
radix1697
1638 A. Read Man. Anat. Body of Man (new ed.) iii. xiii. 469 Each tooth hath two parts; one without the gum, called Basis; the other within, called Radix, or the root.]
1697 J. Browne Myographia Nova 72 Pronator Radii Teres. This is called Teres, from its form, it arising fleshy from the Radix, of the inner prominence of the Os Humeri.
1714 W. Salmon Ars Anatomica vii. 393/1 It goes back above the Radix of the Medulla Oblongata, and divides the upper part of the Brain from the lower.
1892 Amer. Naturalist 26 116 They are obviously not appendages of the prosencephalon,..but the radices have suffered division or latero-flexion with the outgrowth of the secondary cerebral vesicles.
1981 J. Melville Murder has Pretty Face i. 31 There is bruising internally at the radix of the penis.
1994 Acta Neuropathologica 88 228 The demyelination was very severe in the radix of the 8th and the 5th cranial nerves.
II. Senses corresponding to root n.1 III.
3.
a. Mathematics. A root of a number; = root n.1 15a. Obsolete.
ΘΚΠ
the world > relative properties > number > arithmetic or algebraic operations > [noun] > root
root?c1425
surd1557
radix?a1560
side1570
radical1714
?a1560 L. Digges Geom. Pract.: Pantometria (1571) ii. ii. sig. M j The Radix Quadrate of the Product, is the Hypothenusa.
1579 L. Digges & T. Digges Stratioticos 13 To find the square Radix, or Roote of any number.
a1690 S. Jeake Compl. Body Arithm. (1701) ii. ii. iii. 199 So 2 is the Radix Zenzizenzicubick of 4096.
1755 J. Smith Printer's Gram. xii. 308Radix, Root, or Side of a Square.
1796 J. Gale Gale's Cabinet of Knowl. ii. 227 Pluses, minuses, multiples, radices, dividendas, [etc.].
b. Chiefly Astrology and (now rare) Astronomy. A basis or starting point for calculation, such as a certain point in time, a particular position of a planet, etc. Now chiefly historical.
ΘΚΠ
the world > the universe > astrology > [noun] > calculation > basis of
rootc1405
radix1585
1585 J. Blagrave Math. Iewel 63 The place of the Sunne which he had in the Radix of the thing.
1603 C. Heydon Def. Iudiciall Astrol. 363 These..haue euer a principall aime, vnto the position of heauen, at the natiuite, as the Radix, or roote of their operations.
1615 W. Bedwell Arabian Trudgman in tr. Mohammedis Imposturæ sig. N4v Tarich... The Astronomers..do call it Radix, whereby they vnderstand some set..time beginning at some memorable action.
1671 J. Flamsteed Lett. (1995) I. 118 Having..framed Radix'es from some observations I met with in Borellus I found that the occultations of the satellits are praedicted by Cassini after the New Stile.
1701 J. Brampton Tabular Arithm. 3 In the second Column, whose top, or title is Shillings, are contain'd certain Sumes ready cast up in Pounds and Shillings, which is the Column you must look into when your Radix, or first Number, is Shillings.
1715 tr. D. Gregory Elements Astron. I. iii. §60. 469 Every Planet's Radixes are to be settled, not of the Longitude of a Planet,..but of the mean Anomaly of the Planet.
1775 J. Kennedy (title) An explanation and proof of ‘The Complete System of Astronomical Chronology..’ in which the truth and reality of the original luni-solar radix is clearly and fully ascertained.
1984 J. C. Eade Forgotten Sky ii. 100Radix’ tends to refer to the original horoscope, in circumstances where certain elements in it are projected forward in order to create new aspects that will forecast events in the native's later life.
c. Mathematics and Computing. The base of a scale of numeration or a system of logarithms; = base n.1 20.
ΘΚΠ
the world > relative properties > number > mathematical notation or symbol > [noun] > scale > base of scale
nodus1677
radix1754
base1772
1754 J. Robertson Elements Navigation II. viii. 144 The number usually set down, as Napier's logarithm of 10, is more properly his logarithm divided by the radius of his trigonometrical table, which is the radix from which he raised his logarithms.
1771 R. Flower Radix 2 (heading) Cube radix of 10.
1841 Penny Cycl. XIX. 234/2 Ten is the radix of the decimal system of numeration, and the radix of the common system of logarithms.
1888 C. Smith Treat. Algebra (1893) xviii. 273 Radix fractions in any scale correspond to decimal fractions in the ordinary scale.
1946 J. W. Mauchly in Moore School Lect. (1985) 299 Since it is now customary to use the decimal system, there is little likelihood that a system based on the radix 8 or 16 can be brought into common use.
1950 W. W. Stifler High-speed Computing Devices (Engin. Res. Associates) vi. 80 For any radix arithmetic the basic tables corresponding to the addition and the multiplication tables of decimal arithmetic can be written.
1999 H. Tropp in I. B. Cohen & G. W. Welch Makin' Numbers i. 131 This is a discussion of all number systems from 2 to 12 and what they'd be good for, and the best representation of the radix-3 system.
4. Linguistics. An original word or form from which other words are derived. Now rare.
ΘΚΠ
the mind > language > linguistics > study of grammar > morphology > word-formation > [noun] > derivation > word from which others are derived
primitive1565
root word1571
etymon1573
radix1612
stem1655
etym1748
1612 J. Brinsley Ludus Lit. xx. 233 I also intend (God willing) to set in the Margent of it all the Hebrew Radices, against euery Radix in Greeke.
1622 J. Brinsley Consol. Gram. School 72 For attaining very speedily to all the Greek Primitiues or Radices..God hath prouided..The Clauis linguæ Græcæ, by Lubine.
1641 E. Legh (title) Critica Sacra. Observations on all the radices, or Primitive Hebrew words of the Old Testament.
1668 Bp. J. Wilkins Ess. Real Char. iv. vi. 453 Of all other Languages, the Greek is looked upon to be one of the most copious; the Radixes of which are esteemed to be about 3244.
1761 L. Sterne Life Tristram Shandy IV. xxix. 191 Inasmuch as the radix of each word is hereby torn up.
1771 W. Jones Zoologia Ethica 102 A quadriliteral word..compounded of a double radix.
?1785 J. Wesley Lett. (1931) VII. 251 He frequently, to find the etymology of one word, squeezes two radices together; a liberty never to be taken where a word may fairly be derived from a single radix.
1837 N. Amer. Rev. July 45 By adding either the first, or the accented syllable of the second of those words to the radix of the verb, the two classes of transitives are formed.
1854 Jrnl. Ethnol. Soc. 3 15 The radix ‘khn’ in the ancient Egyptian is found in the Persian.
1882 Catholic World Apr. 124 Ealbha (pronounced elva), ‘a drove or herd of cattle’, is the radix of the word Helvetia.
1904 Jrnl. Anthropol. Inst. 34 59 The radix employed by them [sc. the Sίciatl] is totally unlike that in any other dialect.
5. Music. The fundamental note of the harmonic series. Obsolete. rare.
ΘΚΠ
society > leisure > the arts > music > musical sound > harmony or sounds in combination > chord > [noun] > root of chord
radix1673
fundamental1721
generator?1775
root1806
pedal1854
ground-note1877
1673 Philos. Trans. 1672 (Royal Soc.) 7 5154 Musical Sounds are originally in the Radix or Unison.
III. Senses corresponding to root n.1 II.
6. Source, origin; that in which anything originates. Now rare.
ΘΚΠ
the world > existence and causation > causation > source or origin > [noun]
welleOE
mothereOE
ordeOE
wellspringeOE
fathereOE
headeOE
oreOE
wellspringOE
rootc1175
morea1200
beginningc1200
head wella1325
sourcec1374
principlea1382
risinga1382
springinga1382
fountain14..
springerc1410
nativity?a1425
racinea1425
spring1435
headspring?a1439
seminaryc1440
originationc1443
spring wellc1450
sourdre1477
primordialc1487
naissance1490
wellhead?1492
offspringa1500
conduit-head1517
damc1540
springhead1547
principium1550
mint1555
principal1555
centre1557
head fountain1563
parentage1581
rise1589
spawna1591
fount1594
parent1597
taproot1601
origin1604
fountainhead1606
radix1607
springa1616
abundary1622
rist1622
primitive1628
primary1632
land-spring1642
extraction1655
upstart1669
progenerator1692
fontala1711
well-eye1826
first birth1838
ancestry1880
Quelle1893
1607 Fayre Mayde of Exchange sig. G2v Her wit is all spirit; that spirit fire,..able to burne the radix of the best inuention.
1655 H. L'Estrange Reign King Charles 111 The radix and ground of this contest was this.
a1716 R. South Serm. Several Occasions (1744) XI. 5 Concupiscence, I shew, was the radix of all sin.
1777 Reasons for leaving Methodist Soc. 20 I look upon the body of the people to be the very radix of all power.
1834 S. Cooper Good's Study Med. (ed. 4) III. 26 Hence a separate and specific power has..been ascribed to the nervous fibres themselves, while the brain has been contemplated as their radix.
1840 T. De Quincey On Essenes: Pt. III in Blackwood's Edinb. Mag. May 648/1 Judaism is the radix of Christianity.
1868 Overland Monthly Sept. 269/1 The radix is an ego, propagating only egos, each self-centred, self-governed and complete.
1977 Ecologist 7 119/2 We must defend the ‘radices’—the roots of life on our planet.
7. Ancestral root or stock. Obsolete. rare.
ΘΚΠ
society > society and the community > kinship or relationship > kinsman or relation > ancestor > [noun] > ancestral stock or root
kinc1100
kindc1175
kindredc1200
rootc1330
stockc1393
stirp?1573
radix1651
source1670
1651 C. Cartwright Certamen Religiosum i. 106 I shall run your pedigree to the radix.
1652 H. Crompton tr. H. C. Agrippa Glory of Women Ep. Ded. sig. A2 The two Twins of Grace and Vertue descended from the Radix of your Nobility.

Compounds

radix sort n. Computing = radix sorting n.; (also) an instance of radix sorting; an algorithm which performs radix sorting.
ΚΠ
1970 O. Dopping Computers & Data Processing xvii. 280 In radix sort, the records usually pass through the sorting device—a computer or a card sorter, as many times as there are digits in the sorting key.
1989 Information & Computation 80 217 The idea is to use a ‘radix sort’, least significant digit first.
2006 U.S. Patent 7,130,983 B1 25 Lists generated by one or more previous radix sorts.
radix sorting n. Computing a technique for sorting data into order by successively grouping the items according to the value of each digit or character in turn.
ΚΠ
1956 Jrnl. Assoc. Computing Machinery 3 134 Most sorting techniques utilized for the ordering of large quantities of data fall into one of two general categories, ‘Sorting by Merging’ and ‘Radix Sorting’.
1985 Pract. Computing Dec. 31/2 Radix sorting, where each bit or character is sorted separately, is the most sensitive to the length of the key.
2005 Jrnl. Parallel & Distributed Computing 65 1472/1 The input packets are sorted in a manner like binary most significant bit (MSB) radix sorting.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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