coincidentadj.n.
/kəʊˈɪnsɪdənt/ A. adj.† 4. Incident or concomitant to. Obsolete.
1. Occupying the same place or portion of space.
ΘΚΠ
the world > space > extension in space > [adjective] > occupying the same space
coincident1656
collinear1726
the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [adjective] > occupying same space
coincident1656
1656 tr. T. Hobbes Elements Philos. ii. viii. 74 Coincident and coextended with it.
1660 tr. I. Barrow Euclide's Elements i. 13 So the sides of the angles A and D are coincident.
a1727 I. Newton Opticks (1730) i. i. 43 These Circles..as I went from them they came nearer and nearer together, and at length became coincident.
1822 T. Webster Imison's Elem. Sci. & Art (new ed.) I. 269 If the object be in the centre of the mirror's concavity, the image and object will be coincident, and equal in bulk.
1831 D. Brewster Treat. Optics xix. 164 Having its plane of polarisation coincident with or parallel to the plane of reflexion.
2. Occurring at the same time and occupying the same space of time; exactly contemporaneous.
ΘΚΠ
the world > time > relative time > simultaneity or contemporaneousness > [adjective]
altogether?c1400
concurrent1495
contemporana1500
unison1582
coincident1598
coetaneal1614
coactivea1616
contemporal1621
synchronisticalc1624
coetanean1625
coetaneous1649
coinstantanean1652
synchronical1652
simultal1654
contemporary1656
contemporaneous1659
simultaneousa1660
coevous1660
synchronal1660
coexistent1662
implicit1662
synchronous1669
coexistinga1676
synchronistic1685
coeval1714
contemporany1721
synchronizinga1727
joint1765
coinstantaneous1768
consentaneous1775
coinciding1786
conterminating1805
synchronic1833
coincidental1845
parallel1859
homochronous1876
monochronic1905
co-occurring1951
co-occurrent1954
1598 J. Florio Worlde of Wordes Coincidente, coincident, incident with or vnto.
1655 H. L'Estrange Reign King Charles 3 In truth they were so co-incident, as the loyal hearted English could not distinguish between the Spanish match and Charles his ruine.
a1727 I. Newton Chronol. Anc. Kingdoms Amended (1728) vi. 355 The 13th year of his Reign was coincident in winter with the 20th of the Peloponnesian war.
1849 R. Cobden Speeches 78 The most terrible distress, always coincident with dear food in our manufacturing..districts.
1876 J. H. Newman Hist. Sketches I. i. iii. 139 The resistance to the Pope's authority..is pretty nearly coincident with the rise of the Ottomans.
3. Having the same nature, character, or value; in exact agreement, wholly consonant with.
ΘΚΠ
the world > relative properties > order > agreement, harmony, or congruity > [adjective] > in exact agreement or harmony
coincident1570
jump1581
unisonous1665
true1735
coinciding1786
coincidentala1806
conterminate1850
conterminous1855
1570 J. Foxe Actes & Monumentes (rev. ed.) I. 19/2 So the name of bishop is coincident wt the office of Apostle.
a1638 J. Mede Wks. (1672) iv. lxxxvii. 872 These [principles], though they be sometimes coincident, are not the same.
1665 J. Glanvill Sciri Tuum: Authors Defense To T. Albius sig. av, in Scepsis Scientifica Our ends are so far from being repugnant, that they are coincident.
1726 Bp. J. Butler 15 Serm. iii. 55 Duty and Interest are perfectly coincident.
1798 T. Twining Recreat. & Stud. (1882) 228 The most congenial, the most coincident friend I have.
1875 W. S. Jevons Money (1878) 194 Standard coins, whose nominal value is coincident with their metallic value.
ΘΚΠ
the world > relative properties > relationship > accompaniment > [adjective]
collateral1377
assistant1485
coincident1567
accompanying1600
concomitant1608
comitant1614
belonginga1616
concomitaneous1661
adjoint1727
associative1812
attended1846
herewith1917
1567 N. Sanders Rocke of Churche 216 An other thing coincident to some degree of men.
1648 R. Herrick Hesperides sig. N6v Empires of Kings, are now, and ever were, (As Salust saith) co-incident to feare.
A thing which coincides with something else, a concomitant. Obsolete.
ΘΚΠ
the world > relative properties > relationship > accompaniment > [noun] > that which accompanies
purtenancea1382
accessory1429
retinue?a1439
accessaryc1475
companion1533
annexe?1541
hanger-ona1555
supply1567
copemate1581
complement1586
fere1593
adjective1597
annexment1604
annexary1605
attendant1607
adherence1610
adjacent1610
wife1616
fellower1620
coincident1626
attendancy1654
associate1658
appanage1663
conjunct1667
perquisite1667
familiar1668
satellite1702
accompaniment1709
accompanying1761
side dish1775
obbligato1825
shadow1830
rider1859
gadget1917
1626 H. Wotton Let. in Reliquiæ Wottonianæ (1672) 322 Coincidents are not always Causes.
1658 J. Evelyn Mem. (1857) III. 106 When virtue and blood are coincidents.
1751 J. Harris Hermes i. xi. 204 All Motion and Rest imply Time and Place, as a kind of necessary Coincidents.
This entry has not yet been fully updated (first published 1891; most recently modified version published online September 2021).
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adj.n.1567