approximationn.

/əˌprɒksɪˈmeɪʃən/

Etymology: noun of action < Latin approximāre: see approximate adj. and n. and -tion suffix.

a. The action of bringing or coming near in place, time, or any conception to which ideas of space apply; approach; the state of being near, proximity. literal and figurative.

ΘΚΠ

the world > movement > motion in a certain direction > movement towards a thing, person, or position > [noun] > drawing near

neighlechingOE

nigh-comingc1384

nighing1395

appropinquationa1631

approximation1646

1646 Sir T. Browne Pseudodoxia Epidemica 283 Unto that position it had been in a middle point, and that of ascent, or approximation .

1664 H. Power Exper. Philos. Concl. 188 The World's decay and approximation to its period.

1794 R. J. Sulivan View of Nature II. 417 The approximation of the comet..near to our earth.

1849 D. M. Mulock Ogilvies II. xv. 251 Striving..to bring the young man in closer approximation to her chair.

1870 H. Macmillan Bible Teachings xvi. 315 It is in diatoms and confervæ..that the vegetable kingdom makes an approximation to the animal.

†b. spec. in Medicine. Communication of a disease by contact.

ΘΚΠ

the world > health and disease > ill health > a disease > production of disease > [noun] > contagion

contagiona1626

smittling1625

propagation1664

approximation1678

1678 E. Phillips New World of Words (new ed.) Approximation..in Natural Magick..see Transplantation.

1753 Chambers's Cycl. Suppl. Approximation..transplanting a disease into some other subject, whether animate or vegetable, by bringing it in immediate contact with the patient.

c. Horticulture. = approach n. 10. Obsolete.

ΘΚΠ

the world > food and drink > farming > gardening > management of plants > propagation of plants > [noun] > grafting > grafting by uniting parts of separate plants

inarching1629

approach1658

ablactation1665

enarching1727

approximationa1774

a1774 A. Tucker Light of Nature Pursued (1777) III. i. 292 Grafting by approximation.

2. The action of approaching in feeling or personal relations; advance towards union in sentiment or interests.

ΚΠ

1824 R. Southey Sir Thomas More (1831) I. 233 An approximation of feeling among those whom opinions have divided.

1850 C. Merivale Hist. Romans under Empire II. xii. 1 The renewed approximation of Pompeius to the party from which he had been so long estranged.

3. A coming or getting near to identity in quantity, quality, or degree; an approach to a correct estimate or conception of anything. concrete. The result of such a process.

ΘΚΠ

the world > relative properties > relationship > similarity > [noun] > approximation

approximation1660

approach1750

approachment1830

proximation1845

vergencya1854

the mind > mental capacity > knowledge > conformity with what is known, truth > freedom from error, correctness > exactness, accuracy, precision > closeness to accuracy > [noun]

approximation1660

nearness1669

closeness1759

approximativeness1879

1660 H. More Explan. Grand Myst. Godliness v. xvi. 199 The nearer approximation of the Root of 666 to 26 then to 25.

1672 T. Jacombe Several Serm. Rom. viii. 79 The excellency of persons..to be measured by their..approximation to that which is most excellent.

1749 D. Hartley Observ. Man i. iii. §2 ⁋87 The true Root, or such an Approximation as is practically equivalent.

1854 G. Nicholls Hist. Eng. Poor Law I. 13 An approximation to the principle of a Poor Law.

1868 W. E. Gladstone Juventus Mundi (1870) v. 143 I take them as very rough approximations to the truth.

1868 W. Peard Pract. Water-farming vi. 73 How an approximation to the cost of construction may be obtained.

4. Mathematics. A process of solving problems, wherein a continual approach is made to the exact quantity.

ΘΚΠ

the world > relative properties > number > mathematics > [noun] > mathematical enquiry > process of calculating

accountinga1387

workingc1400

work1557

approximation1695

calculating1710

composition1827

figuring1859

extension1861

complementation1946

1695 J. Wallis in Philos. Trans. (Royal Soc.) 19 2 Mr. Newton's Method of Approximation for the Extracting of Roots.

1839 H. Hallam Introd. Lit. Europe II. viii. 449 He devised a method of solving equations by approximation.

This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2019).

单词	approximation
释义	approximationn. /əˌprɒksɪˈmeɪʃən/ Etymology: noun of action < Latin approximāre: see approximate adj. and n. and -tion suffix. 1. a. The action of bringing or coming near in place, time, or any conception to which ideas of space apply; approach; the state of being near, proximity. literal and figurative. ΘΚΠ the world > movement > motion in a certain direction > movement towards a thing, person, or position > [noun] > drawing near neighlechingOE nigh-comingc1384 nighing1395 appropinquationa1631 approximation1646 1646 Sir T. Browne Pseudodoxia Epidemica 283 Unto that position it had been in a middle point, and that of ascent, or approximation . View more context for this quotation 1664 H. Power Exper. Philos. Concl. 188 The World's decay and approximation to its period. 1794 R. J. Sulivan View of Nature II. 417 The approximation of the comet..near to our earth. 1849 D. M. Mulock Ogilvies II. xv. 251 Striving..to bring the young man in closer approximation to her chair. 1870 H. Macmillan Bible Teachings xvi. 315 It is in diatoms and confervæ..that the vegetable kingdom makes an approximation to the animal. †b. spec. in Medicine. Communication of a disease by contact. ΘΚΠ the world > health and disease > ill health > a disease > production of disease > [noun] > contagion contagiona1626 smittling1625 propagation1664 approximation1678 1678 E. Phillips New World of Words (new ed.) Approximation..in Natural Magick..see Transplantation. 1753 Chambers's Cycl. Suppl. Approximation..transplanting a disease into some other subject, whether animate or vegetable, by bringing it in immediate contact with the patient. c. Horticulture. = approach n. 10. Obsolete. ΘΚΠ the world > food and drink > farming > gardening > management of plants > propagation of plants > [noun] > grafting > grafting by uniting parts of separate plants inarching1629 approach1658 ablactation1665 enarching1727 approximationa1774 a1774 A. Tucker Light of Nature Pursued (1777) III. i. 292 Grafting by approximation. 2. The action of approaching in feeling or personal relations; advance towards union in sentiment or interests. ΚΠ 1824 R. Southey Sir Thomas More (1831) I. 233 An approximation of feeling among those whom opinions have divided. 1850 C. Merivale Hist. Romans under Empire II. xii. 1 The renewed approximation of Pompeius to the party from which he had been so long estranged. 3. A coming or getting near to identity in quantity, quality, or degree; an approach to a correct estimate or conception of anything. concrete. The result of such a process. ΘΚΠ the world > relative properties > relationship > similarity > [noun] > approximation approximation1660 approach1750 approachment1830 proximation1845 vergencya1854 the mind > mental capacity > knowledge > conformity with what is known, truth > freedom from error, correctness > exactness, accuracy, precision > closeness to accuracy > [noun] approximation1660 nearness1669 closeness1759 approximativeness1879 1660 H. More Explan. Grand Myst. Godliness v. xvi. 199 The nearer approximation of the Root of 666 to 26 then to 25. 1672 T. Jacombe Several Serm. Rom. viii. 79 The excellency of persons..to be measured by their..approximation to that which is most excellent. 1749 D. Hartley Observ. Man i. iii. §2 ⁋87 The true Root, or such an Approximation as is practically equivalent. 1854 G. Nicholls Hist. Eng. Poor Law I. 13 An approximation to the principle of a Poor Law. 1868 W. E. Gladstone Juventus Mundi (1870) v. 143 I take them as very rough approximations to the truth. 1868 W. Peard Pract. Water-farming vi. 73 How an approximation to the cost of construction may be obtained. 4. Mathematics. A process of solving problems, wherein a continual approach is made to the exact quantity. ΘΚΠ the world > relative properties > number > mathematics > [noun] > mathematical enquiry > process of calculating accountinga1387 workingc1400 work1557 approximation1695 calculating1710 composition1827 figuring1859 extension1861 complementation1946 1695 J. Wallis in Philos. Trans. (Royal Soc.) 19 2 Mr. Newton's Method of Approximation for the Extracting of Roots. 1839 H. Hallam Introd. Lit. Europe II. viii. 449 He devised a method of solving equations by approximation. This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2019). < n.1646
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