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单词 sub-base
释义

sub-basen.

Brit. /ˈsʌbˌbeɪs/, U.S. /ˈsəbˌbeɪs/
Origin: Formed within English, by derivation. Etymons: sub- prefix, base n.1
Etymology: < sub- prefix + base n.1
1. Architecture. The lowest part of a horizontally divided base.
ΘΚΠ
society > leisure > the arts > visual arts > architecture > column > [noun] > base > parts of base
plinth1563
torus1563
sub-basec1619
list1663
tore1664
breast1669
supercilium1686
orle1706
orlo1715
ball of a pillar1736
baston1738
batoon1819
griffe1875
c1619 in D. Yaxley Researcher's Gloss. Hist. Documents E. Anglia (2003) 56 2 pillosters of Ionicke with there basis pedistalls cronix and subbase and the body of the pillosters cutt in rusticke.
1667 in R. T. Gunther Archit. Sir Roger Pratt (1928) xi. 159 Alterations of Base, sub-base & Wainscott.
1682 C. Wren in 13th Vol. Wren Soc. (1936) 159 Of Plinth on Sub-Base of the great three quarter Pillers.
1703 R. Neve City & Countrey Purchaser 277 Cornishes, Bases, and Sub-bases are sometimes measur'd by the Foot Lineal Measure.
1736 B. Langley Anc. Masonry 202 The Column its Pedestal, or rather Sub-base, is required, which is the same as that to the Tuscan Order of Palladio.
1826 J. Britton Hist. Cathedral Church Exeter 91 A charge of 5l. 6s. 8d. for four columns, with bases, sub-bases, and capitals.
1851 A. W. Pugin Chancel Screens 29 [The screen] of S. Mark [in Venice] is open above the subase [sic].
1922 Maryland Hist. Mag. Mar. 30 These two imposing monuments are exactly alike, 10 feet high, with sub base, base block with inscription, base for column.
2001 Archit. Hist. 44 194 The abaci and sub-bases are semi-octagonal, rather than round, and have characteristic late medieval mouldings.
2. A base placed under the bottom of a machine or other apparatus to raise it; a base placed under another base.
ΘΚΠ
the world > space > relative position > support > [noun] > that which supports > a stand or support to raise from the ground
lathe1476
stool1481
stallagec1500
stand1587
thrall1674
stock1688
horse1703
stage1797
sub-base1865
stillage1875
1865 Sci. Amer. 6 May 298/3 I claim a stove constructed with a sub-base separated from the main base by an air chamber or passage.
1904 Electr. Rev. 24 Sept. 489 The whole turbine..being mounted on a sub-base.
1952 Pop. Mech. Aug. 160/1 The engine and propeller are mounted on an open hardwood base which is pivoted on a sub-base attached to the gunwales of the boat.
2004 Tool & Machinery Catal. 2005 (Axminster Power Tool Centre Ltd.) v. 12/1 Featuring a sliding table and aluminium sub-base, the jig is fitted with easy to set precision stops.
3. A secondary station or base (base n.1 21).
ΘΚΠ
the world > space > place > [noun] > from which operations are carried on > secondary
sub-base1867
1867 W. Swinton Twelve Decisive Battles of War xi. i. 430 Allatoona, his sub-base, where a million of rations were accumulated, was ninety-eight miles from Chattanooga.
1903 Science 9 Oct. 478 Mr. Peary..will..after establishing a sub-base there, force his way northward to the northern shore of Grant Land.
1961 Times 15 Sept. 14/4 After the main base..had been firmly established, sub-bases were set up.
1990 E. Rodgers Beyond Barrier (1997) vi. 94 Byrd could make only two attempts in the ship to set up the subbase.
4. Civil Engineering. A layer underneath the base layer of a road, pavement, or the like; spec. one immediately above the subgrade.
ΘΚΠ
society > travel > means of travel > route or way > way, path, or track > road > parts of road > [noun] > layer beneath foundations
subgrade1849
sub-base1876
1876 U.S. Patent 176,360 1/1 Upon this road-bed, thus prepared, I place, by hand, a course of stone, A, for a sub-base.
1890 Legislative Documents 23rd Gen. Assembly State of Iowa 4 261 A sub-base of properly rolled sand is laid on the road-bed.
1920 Public Works 49 144/2 In connection with the rebuilding of these sections of pavements..gutters were deepened and such other methods employed for draining the sub-base as were practicable.
2005 C. Hill Horsekeeping Small Acreage (ed. 2) xii. 203/2 Because you want a fast-draining, easily compactable subbase, in some situations, such as areas with heavy clay, you will likely have to add other materials to the subbase.
2009 R. Horonjeff et al. Planning & Design of Airports (ed. 5) vii. 670 Flexible pavements consist of a bituminous wearing surface placed upon a base course and, where required by subgrade conditions, a subbase.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.c1619
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