plessiten.

Brit.

/ˈplɛsʌɪt/, U.S.

/ˈplɛˌsaɪt/

Origin: A borrowing from German. Etymon: German Plessit.

Etymology: < German Plessit (K. Reichenbach 1861, in Annalen der Physik 104 269) < pless- (see note) + -it -ite suffix¹. Compare French †plessite (1869 in Littré).Reichenbach refers to ‘πλέω, πλέσσω voll machen, füllen’, apparently in error for ancient Greek πλήθειν to be full (compare ancient Greek πλήσσειν to strike, classical Latin pleō I fill, plēre to fill). Compare German Fülleisen, literally ‘fill-iron’ (1861 or earlier, e.g. in Reichenbach's article cited above; so called because it forms the ground-mass or filling of some iron meteorites). The name plessite had earlier been used in 1868 by J. D. Dana Syst. Mineral. (ed. 5) 73, for a variety of gersdorffite described by the Austrian chemist Franz Pless.

Mineralogy.

An inhomogeneous mixture of kamacite and taenite found in some iron meteorites.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > stone > a stone > [noun] > meteorite > other meteorites

air-stone1608

iron1802

aerolite1810

aerolith1811

uranolite1815

star-glint1825

brontolith1860

aerosiderite1863

aerosiderolite1863

pallasite1863

siderolite1863

siderite1866

mesosiderite1868

howardite1881

chondrite1883

oligosiderite1883

plessite1885

diogenite1895

achondrite1904

octahedrite1905

nakhlite1916

ureilite1916

stony-iron1918

micrometeorite1949

1885 Science 25 Dec. 563 When a polished surface is etched, it shows a somewhat tessellated arrangement of the figures formed by alternate bands or blocks of kamacite and plessite.

1926 Proc. Royal Soc. A. 112 633 A comparison photograph..established the complete identity of the lines from the plessite with those from kamacite and taenite separately.

1940 London, Edinb., & Dublin Philos. Mag. 7th Ser. 29 561 The α₂-material will be the granular structureless form of plessite as distinguished from the form of plessite which contains fine crystals of kamacite and tænite in octahedral arrangement.

2001 Adv. Materials & Processes (Nexis) 1 Feb. 37 The kamacite within the plessite is light blue, while the taenite particles in the plessite are tan.

Derivatives

pleˈssitic adj.

ΚΠ

1908 Philos. Trans. (Royal Soc.) A. 208 75 Of the two analyses given by Davison, one refers to the comparatively broad bands of taenite.., the second to the narrower bands..picked from the so-called ‘plessitic’ layers of the iron.

1977 Philos. Trans. (Royal Soc.) A. 286 456 (table) Plessitic octahedrites.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	plessite
释义	plessiten. Brit. /ˈplɛsʌɪt/, U.S. /ˈplɛˌsaɪt/ Origin: A borrowing from German. Etymon: German Plessit. Etymology: < German Plessit (K. Reichenbach 1861, in Annalen der Physik 104 269) < pless- (see note) + -it -ite suffix¹. Compare French †plessite (1869 in Littré).Reichenbach refers to ‘πλέω, πλέσσω voll machen, füllen’, apparently in error for ancient Greek πλήθειν to be full (compare ancient Greek πλήσσειν to strike, classical Latin pleō I fill, plēre to fill). Compare German Fülleisen, literally ‘fill-iron’ (1861 or earlier, e.g. in Reichenbach's article cited above; so called because it forms the ground-mass or filling of some iron meteorites). The name plessite had earlier been used in 1868 by J. D. Dana Syst. Mineral. (ed. 5) 73, for a variety of gersdorffite described by the Austrian chemist Franz Pless. Mineralogy. An inhomogeneous mixture of kamacite and taenite found in some iron meteorites. ΘΚΠ the world > the earth > structure of the earth > constituent materials > stone > a stone > [noun] > meteorite > other meteorites air-stone1608 iron1802 aerolite1810 aerolith1811 uranolite1815 star-glint1825 brontolith1860 aerosiderite1863 aerosiderolite1863 pallasite1863 siderolite1863 siderite1866 mesosiderite1868 howardite1881 chondrite1883 oligosiderite1883 plessite1885 diogenite1895 achondrite1904 octahedrite1905 nakhlite1916 ureilite1916 stony-iron1918 micrometeorite1949 1885 Science 25 Dec. 563 When a polished surface is etched, it shows a somewhat tessellated arrangement of the figures formed by alternate bands or blocks of kamacite and plessite. 1926 Proc. Royal Soc. A. 112 633 A comparison photograph..established the complete identity of the lines from the plessite with those from kamacite and taenite separately. 1940 London, Edinb., & Dublin Philos. Mag. 7th Ser. 29 561 The α₂-material will be the granular structureless form of plessite as distinguished from the form of plessite which contains fine crystals of kamacite and tænite in octahedral arrangement. 2001 Adv. Materials & Processes (Nexis) 1 Feb. 37 The kamacite within the plessite is light blue, while the taenite particles in the plessite are tan. Derivatives pleˈssitic adj. ΚΠ 1908 Philos. Trans. (Royal Soc.) A. 208 75 Of the two analyses given by Davison, one refers to the comparatively broad bands of taenite.., the second to the narrower bands..picked from the so-called ‘plessitic’ layers of the iron. 1977 Philos. Trans. (Royal Soc.) A. 286 456 (table) Plessitic octahedrites. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1885
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