reptationn.

Brit.

/rɛpˈteɪʃn/, U.S.

/rɛpˈteɪʃ(ə)n/

Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from Latin. Etymons: French reptation; Latin reptātiōn-, reptātiō.

Etymology: < French reptation action of creeping or crawling, especially in the manner of a snake ( J.-L.-M. Alibert Précis théoretique et pratique sur les maladies de la peau (1810) I. 299) and its etymon classical Latin reptātiōn-, reptātiō action of crawling (Quintilian) < reptāt- , past participial stem of reptāre to creep (see reptant adj.) + -iō -ion suffix¹.

1. Zoology. The action of creeping or crawling, esp. in the manner of a snake. Now rare.

ΘΚΠ

the world > movement > progressive motion > moving along with hands and feet or with body prone > [noun] > creeping or crawling

creepingc1440

proreption1656

crawling1768

crawl1817

reptation1831

frog-march1880

1831 E. Griffith et al. Cuvier's Animal Kingdom IX. 287 Progression takes place in these animals [sc. snakes] by means of sinuosities and springs executed in the water, or on the ground, by a true reptation.

1859 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Reptatorius, having the character of reptation..reptatory.

1894 Pop. Sci. Monthly May 136/2 If the animals are set upon the ground, the mode of reptation will be modified in both the same way.

1947 R. L. G. Irving tr. Casteret My Caves iii. 54 Reptation involves an attitude so seldom adopted by the human race that it appears to be the fate allotted to a few inferior creatures.

2. Chemistry. The snake-like movement of a polymer chain in a tangled state, when it is constrained within a topological ‘tube’ by surrounding molecules.

ΚΠ

1971 P. G. de Gennes in Jrnl. Chem. Physics 55 572 (title) Reptation of a polymer chain in the presence of fixed obstacles.

1987 Polymer 28 1377/2 If reptation becomes important, a substantial retardation of branched polymer mobility..is expected.

2007 I. W. Hamley Introd. Soft Matter (rev. ed.) ii. 81 For entangled polymers, the reptation theory provides a model for chain motion.

This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022).

单词	reptation
释义	reptationn. Brit. /rɛpˈteɪʃn/, U.S. /rɛpˈteɪʃ(ə)n/ Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from Latin. Etymons: French reptation; Latin reptātiōn-, reptātiō. Etymology: < French reptation action of creeping or crawling, especially in the manner of a snake ( J.-L.-M. Alibert Précis théoretique et pratique sur les maladies de la peau (1810) I. 299) and its etymon classical Latin reptātiōn-, reptātiō action of crawling (Quintilian) < reptāt- , past participial stem of reptāre to creep (see reptant adj.) + -iō -ion suffix¹. 1. Zoology. The action of creeping or crawling, esp. in the manner of a snake. Now rare. ΘΚΠ the world > movement > progressive motion > moving along with hands and feet or with body prone > [noun] > creeping or crawling creepingc1440 proreption1656 crawling1768 crawl1817 reptation1831 frog-march1880 1831 E. Griffith et al. Cuvier's Animal Kingdom IX. 287 Progression takes place in these animals [sc. snakes] by means of sinuosities and springs executed in the water, or on the ground, by a true reptation. 1859 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Reptatorius, having the character of reptation..reptatory. 1894 Pop. Sci. Monthly May 136/2 If the animals are set upon the ground, the mode of reptation will be modified in both the same way. 1947 R. L. G. Irving tr. Casteret My Caves iii. 54 Reptation involves an attitude so seldom adopted by the human race that it appears to be the fate allotted to a few inferior creatures. 2. Chemistry. The snake-like movement of a polymer chain in a tangled state, when it is constrained within a topological ‘tube’ by surrounding molecules. ΚΠ 1971 P. G. de Gennes in Jrnl. Chem. Physics 55 572 (title) Reptation of a polymer chain in the presence of fixed obstacles. 1987 Polymer 28 1377/2 If reptation becomes important, a substantial retardation of branched polymer mobility..is expected. 2007 I. W. Hamley Introd. Soft Matter (rev. ed.) ii. 81 For entangled polymers, the reptation theory provides a model for chain motion. This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022). < n.1831
随便看	power-ending power-farming power-feeding power-generating power-giving power-grabber power-grabbing power-greedy power-holder power-holding power-hungry power-loaded power-loom cloth power-loom weaver power-loom weaving power-losing power-loving power-lusting power-mad power-obsessed power-operated power-player power-political power-politician power-possessor