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单词 lumped
释义

lumpedadj.

Brit. /lʌmpt/, U.S. /ləmpt/
Etymology: < lump n.1, lump v.3 + -ed suffix1.
1. Made, shaped, or raised into a lump.
ΘΚΠ
the world > space > shape > unevenness > projection or prominence > protuberance or rounded projection > [adjective]
fullOE
balghc1340
struttinga1398
bouchy1398
bunching1398
bunchy1398
lumpedc1425
bunched1426
bulged1436
knule?a1513
bolling1519
bossed?1541
bossy1543
swelling1544
poked1577
embossed1578
extuberant1578
protuberant1578
protuberated1578
protuberating1578
protubered1578
bunting1584
bellieda1593
gouty1595
bottled1597
buddy1611
hulch1611
hulched1611
jetty?1611
bottle-like1629
bungy1634
extuberating1634
bosomed1646
puffing1661
protuberous1666
tuberant1668
extuberic1680
swollen1688
bellying1700
swelled1704
humped1713
extuberated1727
bottle-shaped1731
ampullaceous1776
hummocky1791
bulging1812
bulgy1847
ampulliform1870
fullish1871
pouchy1884
bumfled1913
c1425 St. Christina x, in Anglia VIII. 123/29 In þe maner of an vrchyn þe lumped body ȝode to þe owne shappe.
1882 J. Walker Descr. Jaunt to Auld Reekie 20 He limps awa and hauds his lumpit noddle.
1898 G. Meredith Odes French Hist. 21 Like lumped grass Nid-nod to ground beneath the cuffing storm.
2. (Containing electrical impedances or circuit elements) localized at a particular point or points, rather than distributed uniformly throughout part of a circuit.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > resistance > [adjective] > relating to localized impedance
lumped1912
the world > matter > physics > electromagnetic radiation > electricity > circuit > [adjective] > relating to localized impedances
lumped1912
1912 A. E. Kennelly Applic. Hyperbolic Functions to Electr. Engin. Probl. iii. 35 This semi-angle cannot be correct, because it is based on a lumped leakance instead of a distributed leakance as assumed.
1948 E. G. Bowen Text-bk. Radar xiii. 439 The units are connected by a low impedance coaxial cable which..is equivalent to a lumped capacity at video frequencies.
1967 Electronics 6 Mar. 163/1 Factors that combine to make analysis of crosstalk difficult are:..The distributed, rather than lumped, nature of the inductances and capacitances of the circuits involved.
1973 B. Kinariwala et al. Linear Circuits & Computation i. 4 We will confine ourselves to the discussion of lumped circuits—that is, circuits composed entirely of lumped elements.
This entry has not yet been fully updated (first published 1903; most recently modified version published online March 2022).
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adj.c1425
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