metachronismn.

Brit.

/mᵻˈtakrənɪz(ə)m/,

/mɛˈtakrənɪz(ə)m/, U.S.

/məˈtækrəˌnɪz(ə)m/

Forms: 1600s metachronisme, 1600s metachronysm, 1600s 1900s– metachronism.

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek μετάχρονος , -ism suffix.

Etymology: < Hellenistic Greek μετάχρονος anachronistic ( < ancient Greek μετα- meta- prefix + χρόνος : see chronic adj.) + -ism suffix; in sense 1 perhaps after anachronism n.; in sense 2 after German Metachronie (see metachrony n.). Compare post-classical Latin metachronismus (a1715), French métachronisme (1762), and German Metachronismus . With sense 2 compare slightly earlier metachronous adj. 1.

1. An error in chronology, esp. the placing of an event later than its real date. rare after 17th cent.Cf. anachronism n., parachronism n.

ΘΚΠ

the world > time > reckoning of time > chronology > [noun] > assignment to a time or dating > assignment to a wrong time or date

prolepsis1578

antichronism1612

anachronicism1614

anachronism1617

metachronism1617

parachronisma1641

prochronisma1646

achronism1674

parepochism1685

anachronizing1768

anticipation1774

1617 J. Hales Serm. Oxf. 36 There are in Scripture..anachronismes, metachronismes, and the like, which bring infinite obscuritie to the text.

1656 T. Blount Glossographia Metachronism, an error in the connexion of things or times, by reckoning or accounting short or beyond the truth.

1677 R. Cary Palæologia Chronica ii. i. i. xx. 157 Our Authour..is..guilty of a foul Metachronysm, in accomodating the 5th of Cambyses to his 4986 of the World.

1992 Rev. in Amer. Hist. 20 298 For several decades, metachronism, false periodization, and the fallacy of presumptive change have been parading naked before our unseeing eyes.

2. Biology. = metachrony n.

ΘΚΠ

the world > life > biology > biological processes > movement > [noun] > co-ordinated movement

metachronism1905

1905 Jrnl. Exper. Zool. 2 408 It is the principal object of this paper to discuss the cause of metachronism in ciliary action.

1928 J. Gray Ciliary Movem. vii. 117 Any particular cilium is slightly in advance of the cilium behind it in the series and slightly behind the one just in front of it. This regular sequence is known as metachronism.

1954 Q. Jrnl. Microsc. Sci. 95 103 (title) Relation between metachronism and the direction of ciliary beat in metazoa.

1972 M. S. Gardiner Biol. Invertebr. iv. xi. 189/1 In Metazoa, the cilia on adjacent cells may exhibit a similar coordination in metachronism.

1981 Proc. Royal Soc. B. 212 384 The prototroch beats continuously with a characteristic dexioplectic metachronism by this stage, and the larvae spiral in a direction opposite to that of the metachronal wave as they swim.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	metachronism
释义	metachronismn. Brit. /mᵻˈtakrənɪz(ə)m/, /mɛˈtakrənɪz(ə)m/, U.S. /məˈtækrəˌnɪz(ə)m/ Forms: 1600s metachronisme, 1600s metachronysm, 1600s 1900s– metachronism. Origin: A borrowing from Greek, combined with an English element. Etymons: Greek μετάχρονος , -ism suffix. Etymology: < Hellenistic Greek μετάχρονος anachronistic ( < ancient Greek μετα- meta- prefix + χρόνος : see chronic adj.) + -ism suffix; in sense 1 perhaps after anachronism n.; in sense 2 after German Metachronie (see metachrony n.). Compare post-classical Latin metachronismus (a1715), French métachronisme (1762), and German Metachronismus . With sense 2 compare slightly earlier metachronous adj. 1. 1. An error in chronology, esp. the placing of an event later than its real date. rare after 17th cent.Cf. anachronism n., parachronism n. ΘΚΠ the world > time > reckoning of time > chronology > [noun] > assignment to a time or dating > assignment to a wrong time or date prolepsis1578 antichronism1612 anachronicism1614 anachronism1617 metachronism1617 parachronisma1641 prochronisma1646 achronism1674 parepochism1685 anachronizing1768 anticipation1774 1617 J. Hales Serm. Oxf. 36 There are in Scripture..anachronismes, metachronismes, and the like, which bring infinite obscuritie to the text. 1656 T. Blount Glossographia Metachronism, an error in the connexion of things or times, by reckoning or accounting short or beyond the truth. 1677 R. Cary Palæologia Chronica ii. i. i. xx. 157 Our Authour..is..guilty of a foul Metachronysm, in accomodating the 5th of Cambyses to his 4986 of the World. 1992 Rev. in Amer. Hist. 20 298 For several decades, metachronism, false periodization, and the fallacy of presumptive change have been parading naked before our unseeing eyes. 2. Biology. = metachrony n. ΘΚΠ the world > life > biology > biological processes > movement > [noun] > co-ordinated movement metachronism1905 1905 Jrnl. Exper. Zool. 2 408 It is the principal object of this paper to discuss the cause of metachronism in ciliary action. 1928 J. Gray Ciliary Movem. vii. 117 Any particular cilium is slightly in advance of the cilium behind it in the series and slightly behind the one just in front of it. This regular sequence is known as metachronism. 1954 Q. Jrnl. Microsc. Sci. 95 103 (title) Relation between metachronism and the direction of ciliary beat in metazoa. 1972 M. S. Gardiner Biol. Invertebr. iv. xi. 189/1 In Metazoa, the cilia on adjacent cells may exhibit a similar coordination in metachronism. 1981 Proc. Royal Soc. B. 212 384 The prototroch beats continuously with a characteristic dexioplectic metachronism by this stage, and the larvae spiral in a direction opposite to that of the metachronal wave as they swim. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1617
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