homocentricadj.¹n.

/hɒməʊˈsɛntrɪk/

Etymology: < modern Latin homocentricus (1535 Fracastoro Homocentricorum ), < Greek ὁμο- homo- comb. form + κεντρικός centric adj. and n.; compare French homocentrique (1690 Furetière), homocentricalement (a1553 Rabelais).

A. adj.¹

1. Having the same centre, concentric.

ΘΚΠ

the world > space > relative position > central condition or position > [adjective] > having the same centre

concentricc1400

concentrical1570

homocentrical1686

homocentric1696

co-centric1777

1696 E. Phillips New World of Words (new ed.)

1834 Nat. Philos. (Libr. Useful Knowl.) III. Hist. Astron. vi. 30/1 A circle homocentric with the ecliptic.

1952 G. Sarton Hist. Sci. I. xx. 510 The main achievement of the astronomers of this period, if not of Aristotle himself, was the completion of the theory of homocentric spheres.

2. Of rays of light or a beam of particles: diverging from or converging to a single focal point (or appearing to do so when produced).

ΘΚΠ

the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [adjective] > single focus

homocentric1886

the world > matter > physics > atomic physics > particle physics > [adjective] > moving to or from focal point

homocentric1949

the world > matter > physics > atomic physics > particle physics > particle avoiding strong interaction > electron > [adjective] > converging or diverging

homocentric1949

1886 C. M. Culver tr. E. Landolt Refraction & Accomm. of Eye i. 13 In order that the homocentric rays may remain homocentric, the surface must have such a form that the angles of incidence shall be everywhere the same.

1904 G. F. Goodchild & C. F. Tweney Technol. & Sci. Dict. 289/2 Homocentric, a term employed in optics to signify that a lens is corrected for radial and tangential astigmatism of oblique pencils of light by the merging of the two focal lines into a single focal point.

1949 Proc. Royal Soc. A. 197 456 An electron gun, combined with a suitable aperture and electron lens system, produces a coherent illuminating beam, as nearly homocentric as possible.

1969 G. A. Fry Geom. Optics vi. 41 As long as the wave fronts are spherical and concentric, the rays all converge at the center of curvature of the wave front and constitute a homocentric bundle of rays.

†B. n.

In old Astronomy: a sphere or circle concentric with another or with the earth: opposed to eccentric n. 1. Obsolete.

ΘΚΠ

the world > the universe > celestial sphere > zone of celestial sphere > sphere of ancient astronomy > [noun] > homocentric

homocentric1621

homocentre1690

1621 R. Burton Anat. Melancholy ii. ii. iii. 325 Maginus makes eleuen Heavens,..Fracastorius 72. Homocentricks.

Derivatives

† ˈhomocentre n. Obsolete = sense B.

ΘΚΠ

the world > the universe > celestial sphere > zone of celestial sphere > sphere of ancient astronomy > [noun] > homocentric

homocentric1621

homocentre1690

1690 W. Leybourn Cursus mathematicus f. 735 I call that Circle an Homocentre, which has the same Centre that the Earth has.

† homoˈcentrical adj. Obsolete = sense A. 1.

ΘΚΠ

the world > space > relative position > central condition or position > [adjective] > having the same centre

concentricc1400

concentrical1570

homocentrical1686

homocentric1696

co-centric1777

1686 J. Goad Astro-meteorologica ii. i. 124 The Luminaries..[are] far from being Homocentrical, as possible the Infancy of the World, with Fracastorius since might imagine.

homocentrically adv.

ΘΚΠ

the world > space > relative position > central condition or position > [adverb] > with the same centre

concentrically1647

concentrally1654

homocentrically1693

1693 T. Urquhart & P. A. Motteux tr. F. Rabelais 3rd Bk. Wks. xxii. 178 Homocentrically poysed.

homocenˈtricity n. the condition of being homocentric.

ΘΚΠ

the world > space > relative position > central condition or position > [noun] > condition of having same centre

concentricity1618

concentricness1672

homocentricity1959

1959 M. Born & E. Wolf Princ. Optics iv. 168 In general, the homocentricity of a pencil is destroyed on refraction or reflection.

This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2021).

homocentricadj.²

/həʊməʊˈsɛntrɪk/

Etymology: < Latin homō man + -centric comb. form.

Of a world-view, philosophy, activity, etc.: centred upon humankind or its affairs; = anthropocentric adj.

ΘΚΠ

the world > people > anthropocentrism > [adjective] > anthropocentrism

anthropocentric1855

homocentric1901

1901 in J. M. Baldwin Dict. Philos. & Psychol. II. 194/2 For the ego-centric point of view is substituted the homocentric.

1944 N. H. Snaith Distinctive Ideas of Old Testament ii. 31 By a strange irony we have scoffed at the geocentric astronomers, only to make the whole universe and everything that is in it homocentric.

1977 Times 6 June 2/1 A jubilee is an artificial and homocentric excuse for celebrating the passage of time.

1987 Ecologist Mar. 123/1 Implicit in the belief in progress-through-science, the genealogy of which stretches back to Francis Bacon, is a homo-centric, managerial attitude to nature.

This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2022).

单词	homocentric
释义	homocentricadj.¹n. /hɒməʊˈsɛntrɪk/ Etymology: < modern Latin homocentricus (1535 Fracastoro Homocentricorum ), < Greek ὁμο- homo- comb. form + κεντρικός centric adj. and n.; compare French homocentrique (1690 Furetière), homocentricalement (a1553 Rabelais). A. adj.¹ 1. Having the same centre, concentric. ΘΚΠ the world > space > relative position > central condition or position > [adjective] > having the same centre concentricc1400 concentrical1570 homocentrical1686 homocentric1696 co-centric1777 1696 E. Phillips New World of Words (new ed.) 1834 Nat. Philos. (Libr. Useful Knowl.) III. Hist. Astron. vi. 30/1 A circle homocentric with the ecliptic. 1952 G. Sarton Hist. Sci. I. xx. 510 The main achievement of the astronomers of this period, if not of Aristotle himself, was the completion of the theory of homocentric spheres. 2. Of rays of light or a beam of particles: diverging from or converging to a single focal point (or appearing to do so when produced). ΘΚΠ the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [adjective] > single focus homocentric1886 the world > matter > physics > atomic physics > particle physics > [adjective] > moving to or from focal point homocentric1949 the world > matter > physics > atomic physics > particle physics > particle avoiding strong interaction > electron > [adjective] > converging or diverging homocentric1949 1886 C. M. Culver tr. E. Landolt Refraction & Accomm. of Eye i. 13 In order that the homocentric rays may remain homocentric, the surface must have such a form that the angles of incidence shall be everywhere the same. 1904 G. F. Goodchild & C. F. Tweney Technol. & Sci. Dict. 289/2 Homocentric, a term employed in optics to signify that a lens is corrected for radial and tangential astigmatism of oblique pencils of light by the merging of the two focal lines into a single focal point. 1949 Proc. Royal Soc. A. 197 456 An electron gun, combined with a suitable aperture and electron lens system, produces a coherent illuminating beam, as nearly homocentric as possible. 1969 G. A. Fry Geom. Optics vi. 41 As long as the wave fronts are spherical and concentric, the rays all converge at the center of curvature of the wave front and constitute a homocentric bundle of rays. †B. n. In old Astronomy: a sphere or circle concentric with another or with the earth: opposed to eccentric n. 1. Obsolete. ΘΚΠ the world > the universe > celestial sphere > zone of celestial sphere > sphere of ancient astronomy > [noun] > homocentric homocentric1621 homocentre1690 1621 R. Burton Anat. Melancholy ii. ii. iii. 325 Maginus makes eleuen Heavens,..Fracastorius 72. Homocentricks. Derivatives † ˈhomocentre n. Obsolete = sense B. ΘΚΠ the world > the universe > celestial sphere > zone of celestial sphere > sphere of ancient astronomy > [noun] > homocentric homocentric1621 homocentre1690 1690 W. Leybourn Cursus mathematicus f. 735 I call that Circle an Homocentre, which has the same Centre that the Earth has. † homoˈcentrical adj. Obsolete = sense A. 1. ΘΚΠ the world > space > relative position > central condition or position > [adjective] > having the same centre concentricc1400 concentrical1570 homocentrical1686 homocentric1696 co-centric1777 1686 J. Goad Astro-meteorologica ii. i. 124 The Luminaries..[are] far from being Homocentrical, as possible the Infancy of the World, with Fracastorius since might imagine. homocentrically adv. ΘΚΠ the world > space > relative position > central condition or position > [adverb] > with the same centre concentrically1647 concentrally1654 homocentrically1693 1693 T. Urquhart & P. A. Motteux tr. F. Rabelais 3rd Bk. Wks. xxii. 178 Homocentrically poysed. homocenˈtricity n. the condition of being homocentric. ΘΚΠ the world > space > relative position > central condition or position > [noun] > condition of having same centre concentricity1618 concentricness1672 homocentricity1959 1959 M. Born & E. Wolf Princ. Optics iv. 168 In general, the homocentricity of a pencil is destroyed on refraction or reflection. This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2021). homocentricadj.² /həʊməʊˈsɛntrɪk/ Etymology: < Latin homō man + -centric comb. form. Of a world-view, philosophy, activity, etc.: centred upon humankind or its affairs; = anthropocentric adj. ΘΚΠ the world > people > anthropocentrism > [adjective] > anthropocentrism anthropocentric1855 homocentric1901 1901 in J. M. Baldwin Dict. Philos. & Psychol. II. 194/2 For the ego-centric point of view is substituted the homocentric. 1944 N. H. Snaith Distinctive Ideas of Old Testament ii. 31 By a strange irony we have scoffed at the geocentric astronomers, only to make the whole universe and everything that is in it homocentric. 1977 Times 6 June 2/1 A jubilee is an artificial and homocentric excuse for celebrating the passage of time. 1987 Ecologist Mar. 123/1 Implicit in the belief in progress-through-science, the genealogy of which stretches back to Francis Bacon, is a homo-centric, managerial attitude to nature. This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2022). < adj.¹n.1621adj.²1901
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homocentricadj.1n.

Derivatives

homocentricadj.2

homocentricadj.¹n.

homocentricadj.²