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单词 ephemera
释义

ephemeran.2

/ɪˈfɛmərə/
Forms: Plural ephemeræ, ephemeras.
Etymology: < modern Latin ephēmera (? sc. musca ): see ephemera adj.In medieval Latin ephemera was neuter plural, < Greek ἐϕήμερα used in this sense by Aristotle (see ephemeron n.). The earlier English instances are possibly due to the common practice of treating plurals in -a as singular. Linnæus however used the word as feminine, making it the name of a genus (of much wider extent than the genus now so called.)
1. An insect that (in its imago or winged form) lives only for a day. In modern entomology the name of a genus of pseudo-neuropterous insects belonging to the group Ephemeridæ (Day-flies, May-flies).
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > order Ephemeroptera > member of
drake-flya1450
hemeraa1592
ephemeron1626
ephemeran1643
ephemeraa1676
drake1676
grey drake1676
yellow-dun1676
greentail1681
grannom1787
ephemeral1817
shad-fly1825
ephemerid1872
a1676 M. Hale Primitive Originat. Mankind (1677) ii. vi. 170 But Ephemeraes in duration, and little other than Insects in extent.
1750 S. Johnson Rambler No. 82. ⁋7 I..have discovered a new ephemera.
1803 W. Bingley Animal Biogr. III. 317 The Common Ephemera or Day-fly.
1873 J. W. Dawson Story Earth & Man vi. 136 Shad-flies or ephemeras, which spend their earlier days under water.
2. transferred and figurative. One who or something which has a transitory existence.
ΘΚΠ
the world > time > duration > shortness or brevity in time > swift movement of time > [noun] > transience > transient thing or being
shadowa1272
breathc1275
cloudc1384
cherry-fair1393
transitorya1500
fume1531
forwhilea1557
flitter1623
ephemeran1643
daysman1658
transient1660
fugitive1683
transiency1728
ephemera1751
ephemeron1771
perishable1822
toadstool1823
evanescence1830
a sometime thing1935
the mind > attention and judgement > importance > unimportance > [noun] > that which is unimportant > of little importance or trivial > types of
venialc1380
nutshalea1393
nutshella1400
flea-biting1553
flea-bite1577
nothing1577
epitomea1593
quilicoma1644
ephemera1751
pinprick1853
bibelot1873
piffle1884
peanut1910
popcorn1964
trivia1968
factoid1982
society > leisure > the arts > literature > prose > non-fiction > [noun] > collective valueless non-fiction
small ware1584
ephemera1751
1751 S. Johnson Rambler No. 145. ⁋11 These papers of a day, the Ephemeræ of learning.
1785 G. Crabbe News-paper 5 These base Ephemeras, so born To die before the next revolving morn.
1815 W. H. Ireland Scribbleomania 58 When the new-fangled ephemeræ of fashion shall be no more.
1886 H. F. Lester Under Two Fig Trees 33 [A charwoman is] a kind of domestic ephemera which flutters briefly in the scullery and then is seen no more.
This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2022).

ephemeraadj.n.1

Forms: Middle English–1600s effimera, 1500s ephimera, 1600s–1800s ephemera; plural 1600s ephemeraes, 1700s–1800s ephemeræ, ephemeras. Also in adapted forms 1500s–1600s effimere, 1500s ephimer.
Etymology: < medieval Latin ephēmera (sc. febris ), feminine of ephēmerus , < Greek ἐϕήμερος lasting only for a day, < ἐπί (see epi- prefix) + ἡμέρα day. The adapted forms are perhaps through Old French effimere.
Pathology. Obsolete.
A. adj.
Of a fever: Lasting only for a day; ‘ephemeral’.
ΘΚΠ
the world > health and disease > ill health > a disease > fever > [adjective] > fevers of specific duration
quotidiana1393
quartana1398
ephemera1528
quartern?1549
semitertian1565
ephemeral1576
periodical1585
typic1601
septimane1634
ephemeran1643
hemitritaean1651
nonan1657
quintan1657
septan1657
sextan1657
quartanary1669
subintrant1747
periodic1805
octan1835
typical1853
1528 T. Paynell tr. Arnaldus de Villa Nova in Joannes de Mediolano Regimen Sanitatis Salerni sig. C A feuer effimere is engendred of vapours and smudge fumes.
1547 A. Borde Breuiary of Helthe i. f. lixv In englyshe it is named the Ephimer feuer..the feuer doth dye that day in the which he doth infest any man.
B. n.1
An ephemeral fever.
ΘΚΠ
the world > health and disease > ill health > a disease > fever > [noun] > fever of specific duration
tertian1362
quartana1387
quotidiana1398
ephemera1398
quarterna1568
day-fever1601
nonan1601
quintan1601
septimane1601
sextan1601
semitertian1609
triple quartan1625
diary1640
septan1657
third ague1674
quartanary1684
subintrant1684
intermittent1693
nonary1747
seven day fever1788
octan1799
third-day ague1818
type-fever1819
triple tertian1822
triplicate quartan (ague)1822
tetartophyia1842
1398 J. Trevisa tr. Bartholomew de Glanville De Proprietatibus Rerum (1495) vii. xxxiv. 248 Effimera, one dayes feuer is as it were the heete of one daye.
1585 H. Llwyd tr. Pope John XXI Treasury of Health (new ed.) sig. R iij Of the Agew callyd ephimera which endureth but one daye.
1625 J. Hart Anat. Urines ii. ix. 112 That Feauer which we call Ephemera, not exceeding foure and twentie houres.
1707 J. Floyer Physician's Pulse-watch 115 Ephemeras oft end in Hectics, or Intermittents, because the Pulse is a-like frequent in all of them.
1813 J. Thomson Lect. Inflammation 105 The ephemera from cold may be regarded as an idiopathic fever.
This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2021).
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n.2a1676adj.n.11398
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