extrapolatev.

Brit.

/ᵻkˈstrapəleɪt/,

/ɛkˈstrapəleɪt/,

/ˈɛkstrəpəleɪt/, U.S.

/ɪkˈstræpəˌleɪt/,

/ɛkˈstræpəˌleɪt/

Etymology: < extra- prefix + -polate of interpolate v., or back-formation < extrapolation n.

†1. transitive. To remove (a passage) from written matter. (Nonce-use by analogy with interpolate v. 3.)

ΘΚΠ

the mind > mental capacity > memory > effacement, obliteration > efface, obliterate [verb (transitive)] > writing, etc.

deface1340

razea1393

blot1530

to put out1530

delete1540

dispunct1570

obliterate1578

expunct1596

expunge1602

erase1605

dele1612

dispunge1622

retrench1645

liturate1656

excise1663

to scratch out1712

efface1737

extrapolate1831

1831 Gladstone Let. in C. Wordsworth Ann. Early Life (1891) I. ii. 91 They inserted the letter.., but extrapolated or metabolised a part where I had mentioned Canning.

a. In mathematical or scientific calculations, to estimate the values of (a function or series) outside a range in which some of its values are known, on the assumption that the trends followed inside the range continue outside it; to continue (a curve) on the basis of points already plotted on the graph; frequently absol. Also intransitive (const. to), to reach (a specified value) when extrapolated.

ΘΚΠ

the world > relative properties > number > graph or diagram > create a graph [verb (transitive)] > modify a graph

extrapolate1874

smooth1889

embed1922

1874 W. S. Jevons Princ. Sci. II. xxii. 120 If we wish to assign by reasoning results lying beyond the limits of experiment, we may be said, using an expression of Sir George Airy, to extrapolate.

1904 Biometrika 3 99 The proportionality of stress and strain is only true within narrow limits, yet the early investigators extrapolated from this linearity all across the mysteries of set, yield~point, and stricture, up to rupture!

1925 Proc. National Acad. Sci. U.S.A. 11 735 This scheme extrapolates to H simply by reducing the shielding to zero.

1933 J. K. Roberts Heat & Thermodynamics (ed. 2) iv. 100 The liquid and vapour densities..are determined as near to the critical point as is practicable, and..the results are extrapolated to the point itself.

1955 J. A. Wheeler in W. Pauli Niels Bohr & Devel. Physics 183 For the same energy the electron concentration factor, a, extrapolates to a value between log₁₀ a = 1 and log₁₀ a = 2, depending on the value of Z.

1957 G. E. Hutchinson Treat. Limnol. I. ix. 579 This series of observations was extrapolated to 0°C. by Whipple and Parker.

b. transferred. To apply (a theory, etc.) to unknown situations on the basis of its relevance to known situations; to infer (conclusions) from known facts or observed tendencies. Also absol. or intransitive.

ΘΚΠ

the mind > mental capacity > understanding > reason, faculty of reasoning > process of reasoning, ratiocination > process of inferring, inference > infer, conclude [verb (transitive)] > based on hypothesis or data

educe1794

expound1821

generalizea1828

to put two and two together1849

extrapolate1905

retrodict1940

postdict1952

1905 W. James Meaning of Truth (1909) v. 129 The philosopher here stands for the stage of thought that goes beyond the stage of common sense; and the difference is simply that he ‘interpolates’ and ‘extrapolates’, where common sense does not.

1907 Outlook 17 Aug. 206/1 History, geology, astronomy, are merely these extrapolated, and only demonstrate their relationship with the whole.

1935 Mind 44 393 Most scientific theories..are ‘extrapolated beyond the possibility of verification’.

1953 Times Lit. Suppl. 28 Aug. 542/4 His documents..are..comments on a particular colony at a particular time; and it is hard work to extrapolate from them any general view about all the colonies.

1956 A. J. Ayer Probl. Knowl. 153 It may very well be that one does not first form a concept of the relation of temporal precedence, and then extrapolate it to events which are beyond the range of this immediate experience.

Derivatives

exˈtrapolated adj. that has been extrapolated; obtained by extrapolation.

ΘΚΠ

the world > relative properties > number > mathematics > [adjective] > relating to mathematical enquiry > of calculation

megethological1570

calculatory1611

calculative1840

calculational1874

pivotal1924

extrapolated1931

1931 E. Rutherford in Proc. Royal Soc. A. 131 692 The effective straggling coefficient for any range was calculated from this extrapolated curve.

1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) ii. 22 The ranges given in the table are the ‘practical’ or extrapolated ranges.

1967 J. R. Wolberg Prediction Anal. v. 147 The uncertainty for the extrapolated value of y is obtained by analysis of all the experimental data (i.e., 62 separate data points).

This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022).

单词	extrapolate
释义	extrapolatev. Brit. /ᵻkˈstrapəleɪt/, /ɛkˈstrapəleɪt/, /ˈɛkstrəpəleɪt/, U.S. /ɪkˈstræpəˌleɪt/, /ɛkˈstræpəˌleɪt/ Etymology: < extra- prefix + -polate of interpolate v., or back-formation < extrapolation n. †1. transitive. To remove (a passage) from written matter. (Nonce-use by analogy with interpolate v. 3.) ΘΚΠ the mind > mental capacity > memory > effacement, obliteration > efface, obliterate [verb (transitive)] > writing, etc. deface1340 razea1393 blot1530 to put out1530 delete1540 dispunct1570 obliterate1578 expunct1596 expunge1602 erase1605 dele1612 dispunge1622 retrench1645 liturate1656 excise1663 to scratch out1712 efface1737 extrapolate1831 1831 Gladstone Let. in C. Wordsworth Ann. Early Life (1891) I. ii. 91 They inserted the letter.., but extrapolated or metabolised a part where I had mentioned Canning. 2. a. In mathematical or scientific calculations, to estimate the values of (a function or series) outside a range in which some of its values are known, on the assumption that the trends followed inside the range continue outside it; to continue (a curve) on the basis of points already plotted on the graph; frequently absol. Also intransitive (const. to), to reach (a specified value) when extrapolated. ΘΚΠ the world > relative properties > number > graph or diagram > create a graph [verb (transitive)] > modify a graph extrapolate1874 smooth1889 embed1922 1874 W. S. Jevons Princ. Sci. II. xxii. 120 If we wish to assign by reasoning results lying beyond the limits of experiment, we may be said, using an expression of Sir George Airy, to extrapolate. 1904 Biometrika 3 99 The proportionality of stress and strain is only true within narrow limits, yet the early investigators extrapolated from this linearity all across the mysteries of set, yield~point, and stricture, up to rupture! 1925 Proc. National Acad. Sci. U.S.A. 11 735 This scheme extrapolates to H simply by reducing the shielding to zero. 1933 J. K. Roberts Heat & Thermodynamics (ed. 2) iv. 100 The liquid and vapour densities..are determined as near to the critical point as is practicable, and..the results are extrapolated to the point itself. 1955 J. A. Wheeler in W. Pauli Niels Bohr & Devel. Physics 183 For the same energy the electron concentration factor, a, extrapolates to a value between log₁₀ a = 1 and log₁₀ a = 2, depending on the value of Z. 1957 G. E. Hutchinson Treat. Limnol. I. ix. 579 This series of observations was extrapolated to 0°C. by Whipple and Parker. b. transferred. To apply (a theory, etc.) to unknown situations on the basis of its relevance to known situations; to infer (conclusions) from known facts or observed tendencies. Also absol. or intransitive. ΘΚΠ the mind > mental capacity > understanding > reason, faculty of reasoning > process of reasoning, ratiocination > process of inferring, inference > infer, conclude [verb (transitive)] > based on hypothesis or data educe1794 expound1821 generalizea1828 to put two and two together1849 extrapolate1905 retrodict1940 postdict1952 1905 W. James Meaning of Truth (1909) v. 129 The philosopher here stands for the stage of thought that goes beyond the stage of common sense; and the difference is simply that he ‘interpolates’ and ‘extrapolates’, where common sense does not. 1907 Outlook 17 Aug. 206/1 History, geology, astronomy, are merely these extrapolated, and only demonstrate their relationship with the whole. 1935 Mind 44 393 Most scientific theories..are ‘extrapolated beyond the possibility of verification’. 1953 Times Lit. Suppl. 28 Aug. 542/4 His documents..are..comments on a particular colony at a particular time; and it is hard work to extrapolate from them any general view about all the colonies. 1956 A. J. Ayer Probl. Knowl. 153 It may very well be that one does not first form a concept of the relation of temporal precedence, and then extrapolate it to events which are beyond the range of this immediate experience. Derivatives exˈtrapolated adj. that has been extrapolated; obtained by extrapolation. ΘΚΠ the world > relative properties > number > mathematics > [adjective] > relating to mathematical enquiry > of calculation megethological1570 calculatory1611 calculative1840 calculational1874 pivotal1924 extrapolated1931 1931 E. Rutherford in Proc. Royal Soc. A. 131 692 The effective straggling coefficient for any range was calculated from this extrapolated curve. 1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) ii. 22 The ranges given in the table are the ‘practical’ or extrapolated ranges. 1967 J. R. Wolberg Prediction Anal. v. 147 The uncertainty for the extrapolated value of y is obtained by analysis of all the experimental data (i.e., 62 separate data points). This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022). < v.1831
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