plagio-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Forms: before a vowel or h plagi- Brit.

/ˈpleɪdʒi/, U.S.

/ˈpleɪdʒi/.

Origin: A borrowing from Latin. Etymon: Latin plagio-.

Etymology: < post-classical Latin and scientific Latin plagio- < ancient Greek πλάγιος oblique, slanting < the same Indo-European base as Old High German flah flat (see flake n.²). Compare French plagio-, German plagio-.French formations are attested from the very end of the 18th cent. (compare plagihedral adj.). English formations first appear in the first half of the 19th cent., earliest in adaptations of French compounds (for examples of both languages compare plagiostome adj. and n.). German formations first occur at a similar date, and a number of English compounds are adaptations of German ones. N.E.D.(1907) also gives the pronunciation (plæ·gio-) /ˈplæɡɪəʊ-/. The position of the stress differs between compounds of plagio- in accordance with the general stress patterns of English.

Forming nouns and adjectives, chiefly scientific terms, with the sense ‘oblique, slanted, offset from the straight or direct line’.

plagioclimax n.

Brit.

/ˌpleɪdʒɪə(ʊ)ˈklʌɪˌmaks/

U.S.

/ˌpleɪdʒioʊˈklaɪˌmæks/

Ecology (in a plant community) a climax produced or affected by some disturbance of the natural conditions.

ΘΚΠ

the world > life > biology > balance of nature > [noun] > replacement of one species by another > climax

climax1899

post-climax1916

preclimax1916

subclimax1916

proclimax1930

polyclimax1933

monoclimax1934

plagioclimax1935

disclimax1936

1935 A. G. Tansley in Ecology 16 293 We might call such successions, which undoubtedly exist, plagioseres, i.e., ‘bent’ or ‘twisted’ seres, and if the vegetation really does come into equilibrium with the deflecting factor, of a plagioclimax, if such terms are considered useful.

1960 N. Polunin Introd. Plant Geogr. xi. 330 Subclimaxes due to such treatments as persistent burning or grazing (often called disclimaxes, being due to disturbance, or plagioclimaxes, owing to the deflection involved).

1990 Jrnl. Appl. Ecol. 27 911 Chalk grassland is a varying biotic plagioclimax.

plagioclinal adj.

Brit.

/ˌpleɪdʒɪə(ʊ)ˈklʌɪnl/

U.S.

/ˌpleɪdioʊˈklaɪn(ə)l/

Geography of, relating to, or designating a rock structure, such as a ridge, lying at an oblique angle to the strike of the strata.

ΘΚΠ

the world > the earth > structure of the earth > structural features > fold or dip > [adjective] > others

plagioclinal1879

isoclinal1882

downdip1904

ptygmatic1907

up-dip1916

1879 C. Callaway in Geol. Mag. 6 221 A plagioclinal axis is not necessarily Precambrian, but its transverse strike should suggest inquiry.

1903 Geogr. Jrnl. 21 628 Nearly all the exposed ridges are plagioclinal, and at Collier Hill..and elsewhere not only are the rocks seen to strike obliquely across the ridges as a whole, but even the smaller crags are plagioclinal too.

1989 Canad. Geotechn. Jrnl. 26 737/2 The mechanics of common toppling to plagioclinal slopes (slopes between 20 and 70° to the strike of the penetrative discontinuity).

† plagiodont adj. [compare scientific Latin Plagiodontia (F. Cuvier 1836), genus name of a rodent] Zoology Obsolete rare having or designating teeth set obliquely or in converging lines.Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. Plagiodont, having the teeth oblique: noting the dentition of serpents whose teeth are like one another, those of the palate being set in two converging series.

plagiograph n.

Brit.

/ˈpleɪdʒɪə(ʊ)ɡrɑːf/

/ˈpleɪdʒɪə(ʊ)ɡraf/

U.S.

/ˈpleɪdʒiəˌɡræf/

an instrument for reproducing a plan, diagram, etc., in a position at a given angle from the original.

ΚΠ

1875 Nature 15 July 214/2 I should like to add a few words to my description of the instrument called the Plagiograph (the g to be pronounced soft).

1977 Amer. Math. Monthly 84 151 Readers who enjoyed a spirograph or were intrigued by a plagiograph will find it all here and then some.

plagiosere n.

Brit.

/ˈpleɪdʒɪə(ʊ)sɪə/

U.S.

/ˈpleɪdʒiəˌsɪ(ə)r/

Ecology a series of plant communities whose development is affected by some disturbance of the natural conditions.

ΘΚΠ

the world > life > biology > balance of nature > [noun] > replacement of one species by another > sere

lithosere1916

prisere1916

psammosere1916

sere1916

subsere1916

halosere1929

plagiosere1935

1962 C. J. Taylor Trop. Forestry vi. 45 It is possible..for the soil to deteriorate so much that the retrogression of the vegetation will become permanent and thus a deflected sere or plagiosere will be the result.

1978 Jrnl. Ecol. 66 680 O[xalis] acetosella occurs in Nadetum as well as in Agrostis-Festuca grassland; both represent plagioseres maintained by sheep grazing.

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

单词	plagio-
释义	plagio-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Forms: before a vowel or h plagi- Brit. /ˈpleɪdʒi/, U.S. /ˈpleɪdʒi/. Origin: A borrowing from Latin. Etymon: Latin plagio-. Etymology: < post-classical Latin and scientific Latin plagio- < ancient Greek πλάγιος oblique, slanting < the same Indo-European base as Old High German flah flat (see flake n.²). Compare French plagio-, German plagio-.French formations are attested from the very end of the 18th cent. (compare plagihedral adj.). English formations first appear in the first half of the 19th cent., earliest in adaptations of French compounds (for examples of both languages compare plagiostome adj. and n.). German formations first occur at a similar date, and a number of English compounds are adaptations of German ones. N.E.D.(1907) also gives the pronunciation (plæ·gio-) /ˈplæɡɪəʊ-/. The position of the stress differs between compounds of plagio- in accordance with the general stress patterns of English. Forming nouns and adjectives, chiefly scientific terms, with the sense ‘oblique, slanted, offset from the straight or direct line’. plagioclimax n. Brit. /ˌpleɪdʒɪə(ʊ)ˈklʌɪˌmaks/ , U.S. /ˌpleɪdʒioʊˈklaɪˌmæks/ Ecology (in a plant community) a climax produced or affected by some disturbance of the natural conditions. ΘΚΠ the world > life > biology > balance of nature > [noun] > replacement of one species by another > climax climax1899 post-climax1916 preclimax1916 subclimax1916 proclimax1930 polyclimax1933 monoclimax1934 plagioclimax1935 disclimax1936 1935 A. G. Tansley in Ecology 16 293 We might call such successions, which undoubtedly exist, plagioseres, i.e., ‘bent’ or ‘twisted’ seres, and if the vegetation really does come into equilibrium with the deflecting factor, of a plagioclimax, if such terms are considered useful. 1960 N. Polunin Introd. Plant Geogr. xi. 330 Subclimaxes due to such treatments as persistent burning or grazing (often called disclimaxes, being due to disturbance, or plagioclimaxes, owing to the deflection involved). 1990 Jrnl. Appl. Ecol. 27 911 Chalk grassland is a varying biotic plagioclimax. plagioclinal adj. Brit. /ˌpleɪdʒɪə(ʊ)ˈklʌɪnl/ , U.S. /ˌpleɪdioʊˈklaɪn(ə)l/ Geography of, relating to, or designating a rock structure, such as a ridge, lying at an oblique angle to the strike of the strata. ΘΚΠ the world > the earth > structure of the earth > structural features > fold or dip > [adjective] > others plagioclinal1879 isoclinal1882 downdip1904 ptygmatic1907 up-dip1916 1879 C. Callaway in Geol. Mag. 6 221 A plagioclinal axis is not necessarily Precambrian, but its transverse strike should suggest inquiry. 1903 Geogr. Jrnl. 21 628 Nearly all the exposed ridges are plagioclinal, and at Collier Hill..and elsewhere not only are the rocks seen to strike obliquely across the ridges as a whole, but even the smaller crags are plagioclinal too. 1989 Canad. Geotechn. Jrnl. 26 737/2 The mechanics of common toppling to plagioclinal slopes (slopes between 20 and 70° to the strike of the penetrative discontinuity). † plagiodont adj. [compare scientific Latin Plagiodontia (F. Cuvier 1836), genus name of a rodent] Zoology Obsolete rare having or designating teeth set obliquely or in converging lines.Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Plagiodont, having the teeth oblique: noting the dentition of serpents whose teeth are like one another, those of the palate being set in two converging series. plagiograph n. Brit. /ˈpleɪdʒɪə(ʊ)ɡrɑːf/ , /ˈpleɪdʒɪə(ʊ)ɡraf/ , U.S. /ˈpleɪdʒiəˌɡræf/ an instrument for reproducing a plan, diagram, etc., in a position at a given angle from the original. ΚΠ 1875 Nature 15 July 214/2 I should like to add a few words to my description of the instrument called the Plagiograph (the g to be pronounced soft). 1977 Amer. Math. Monthly 84 151 Readers who enjoyed a spirograph or were intrigued by a plagiograph will find it all here and then some. plagiosere n. Brit. /ˈpleɪdʒɪə(ʊ)sɪə/ , U.S. /ˈpleɪdʒiəˌsɪ(ə)r/ Ecology a series of plant communities whose development is affected by some disturbance of the natural conditions. ΘΚΠ the world > life > biology > balance of nature > [noun] > replacement of one species by another > sere lithosere1916 prisere1916 psammosere1916 sere1916 subsere1916 halosere1929 plagiosere1935 1935 A. G. Tansley in Ecology 16 293 We might call such successions, which undoubtedly exist, plagioseres, i.e., ‘bent’ or ‘twisted’ seres, and if the vegetation really does come into equilibrium with the deflecting factor, of a plagioclimax, if such terms are considered useful. 1962 C. J. Taylor Trop. Forestry vi. 45 It is possible..for the soil to deteriorate so much that the retrogression of the vegetation will become permanent and thus a deflected sere or plagiosere will be the result. 1978 Jrnl. Ecol. 66 680 O[xalis] acetosella occurs in Nadetum as well as in Agrostis-Festuca grassland; both represent plagioseres maintained by sheep grazing. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < comb. form1875
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