Mioceneadj.n.

Brit.

/ˈmʌɪəsiːn/, U.S.

/ˈmaɪəˌsin/

Forms: 1800s Meiocene, 1800s– Miocene. Also with lower-case initial.

Origin: Formed within English, by compounding. Etymons: mio- comb. form, -cene comb. form.

Etymology: < mio- comb. form + -cene comb. form, as containing remains of fewer modern species than the Pliocene. Compare French miocène (1834). Compare Acene n.¹, Eocene adj., and Pliocene adj. and n.

Geology.

A. adj.

Designating the fourth epoch of the Tertiary period or sub-era, which occurred between about 24 million and 5 million years ago, following the Oligocene and preceding the Pliocene; of or relating to this epoch.

ΘΚΠ

the world > the earth > structure of the earth > age or period > [adjective] > tertiary or Cenozoic > Miocene

Miocene1831

the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > tertiary or Cenozoic > Miocene

Miocene1831

Miocenic1863

1831 W. Whewell Let. 31 Jan. in I. Todhunter William Whewell (1876) II. 111 I propose for your four terms 1 acene, 2 eocene, 3 miocene, 4 pliocene.

1833 C. Lyell Princ. Geol. III. 54 The next antecedent tertiary epoch we shall name Miocene.

1877 Nature 7 June 101/2 The European miocene flora.

1880 W. B. Dawkins Early Man in Brit. i. 10 The Meiocene group.

1911 Encycl. Brit. IX. 911/2 The formation of this part of the Atlantic..did not take place until the Miocene period.

1937 Discovery Dec. 372/2 A Chalicothere, that remarkable beast of the late Miocene period.

1982 M. J. Dring Biol. Marine Plants (1986) vii. 148 Some of these..became extinct in the eastern Atlantic and the Mediterranean as a result of the cooling of the Tethys Sea during the Miocene era.

1990 C. Pellant Rocks, Minerals & Fossils 169/1 The curved ear-bones of whales are not uncommon in strata of Miocene and younger age.

B. n.

The Miocene epoch; the series of rocks dating from this time, containing fossil evidence of numerous mammals and the first hominids.

ΘΚΠ

the world > the earth > structure of the earth > age or period > [noun] > tertiary or Cainozoic > specific

Eocene1831

Pliocene1835

Miocene1842

post-Pliocene1852

Oligocene1856

Palaeocene1877

Palaeogene1882

Lutetian1895

Tortonian1931

1842 Southern Q. Rev. 1 269 The tertiary beds, in northern Louisiana, belong to the first periods of tertiary geology,—the eocene and miocene.

1870 Nature 21 July 232/2 Many genera..pass from Miocene to Pliocene in such a way.

1882 A. Geikie Text-bk. Geol. vi. iv. iii. §1. 862 The flora indicates a decidedly tropical climate in the earlier part of the Miocene.

1941 Geol. Ser. Field Mus. Nat. Hist. 8 33 (title) A new procyonid from the Miocene of Nebraska.

1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) vi. 164 (caption) Some Late Eocene and Oligocene Mammals. None..survived the Oligocene period, except the Entelodonts which died out in the Miocene.

1993 New Scientist 3 Apr. 47/1 Diversity peaked around 15 million years ago in the mid Miocene..when there were no fewer than 13 horse genera in North America alone.

This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022).

单词	miocene
释义	Mioceneadj.n. Brit. /ˈmʌɪəsiːn/, U.S. /ˈmaɪəˌsin/ Forms: 1800s Meiocene, 1800s– Miocene. Also with lower-case initial. Origin: Formed within English, by compounding. Etymons: mio- comb. form, -cene comb. form. Etymology: < mio- comb. form + -cene comb. form, as containing remains of fewer modern species than the Pliocene. Compare French miocène (1834). Compare Acene n.¹, Eocene adj., and Pliocene adj. and n. Geology. A. adj. Designating the fourth epoch of the Tertiary period or sub-era, which occurred between about 24 million and 5 million years ago, following the Oligocene and preceding the Pliocene; of or relating to this epoch. ΘΚΠ the world > the earth > structure of the earth > age or period > [adjective] > tertiary or Cenozoic > Miocene Miocene1831 the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > tertiary or Cenozoic > Miocene Miocene1831 Miocenic1863 1831 W. Whewell Let. 31 Jan. in I. Todhunter William Whewell (1876) II. 111 I propose for your four terms 1 acene, 2 eocene, 3 miocene, 4 pliocene. 1833 C. Lyell Princ. Geol. III. 54 The next antecedent tertiary epoch we shall name Miocene. 1877 Nature 7 June 101/2 The European miocene flora. 1880 W. B. Dawkins Early Man in Brit. i. 10 The Meiocene group. 1911 Encycl. Brit. IX. 911/2 The formation of this part of the Atlantic..did not take place until the Miocene period. 1937 Discovery Dec. 372/2 A Chalicothere, that remarkable beast of the late Miocene period. 1982 M. J. Dring Biol. Marine Plants (1986) vii. 148 Some of these..became extinct in the eastern Atlantic and the Mediterranean as a result of the cooling of the Tethys Sea during the Miocene era. 1990 C. Pellant Rocks, Minerals & Fossils 169/1 The curved ear-bones of whales are not uncommon in strata of Miocene and younger age. B. n. The Miocene epoch; the series of rocks dating from this time, containing fossil evidence of numerous mammals and the first hominids. ΘΚΠ the world > the earth > structure of the earth > age or period > [noun] > tertiary or Cainozoic > specific Eocene1831 Pliocene1835 Miocene1842 post-Pliocene1852 Oligocene1856 Palaeocene1877 Palaeogene1882 Lutetian1895 Tortonian1931 1842 Southern Q. Rev. 1 269 The tertiary beds, in northern Louisiana, belong to the first periods of tertiary geology,—the eocene and miocene. 1870 Nature 21 July 232/2 Many genera..pass from Miocene to Pliocene in such a way. 1882 A. Geikie Text-bk. Geol. vi. iv. iii. §1. 862 The flora indicates a decidedly tropical climate in the earlier part of the Miocene. 1941 Geol. Ser. Field Mus. Nat. Hist. 8 33 (title) A new procyonid from the Miocene of Nebraska. 1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) vi. 164 (caption) Some Late Eocene and Oligocene Mammals. None..survived the Oligocene period, except the Entelodonts which died out in the Miocene. 1993 New Scientist 3 Apr. 47/1 Diversity peaked around 15 million years ago in the mid Miocene..when there were no fewer than 13 horse genera in North America alone. This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022). < adj.n.1831
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