impermutableadj.

Brit.

/ˌɪmpəˈmjuːtəbl/, U.S.

/ˌɪmpərˈmjudəb(ə)l/

Origin: A borrowing from Latin. Etymon: Latin impermutabilis.

Etymology: < post-classical Latin impermutabilis (6th cent.) < im- im- prefix² + permutabilis permutable adj. Compare earlier permutable adj.Compare Middle French impermuable (late 14th cent.), Italian impermutabile (mid 14th cent.).

Not liable to change; incapable of being changed; constant.Apparently not recorded in 18th cent. Now literary or in technical use.

ΘΚΠ

the world > time > change > absence of change, changelessness > [adjective] > unchangeable

unchangeablea1340

immovablec1374

unmovablec1384

immutable1412

unvariablec1425

indeclinable1432

unmutable?a1439

incommutablec1450

irrevocable1490

impermutable1528

irrecoverable1540

inalterable?1541

unreformable1549

inchangeable1583

beyond (also past, without) recall1597

incontrollable1605

invariable1607

unalterable1611

unrecallable1611

untransmutable1611

unreversable1616

involublea1618

irreversible1629

irreducible1633

inconvertible1646

eternal1685

intransmutable1691

unconvertible1700

unvoidable1725

unmodifiable1798

irreformable1812

irrevertible1822

irredeemable1839

true1845

influxible1871

irrevisable1884

intransformable1887

1528 Rede me & be nott Wrothe sig. h v^v Whose verite is impermutable.

1555 R. Eden tr. Peter Martyr of Angleria Decades of Newe Worlde iii. x. f. 146 Wee see this order to bee impermutable.

1678 R. Russel tr. Jabir ibn Haiyan Wks. Geber iii. ii. ii. xiv. 203 In Bodies there is somewhat impermutable..which cannot be taken away.

1870 Rep. Select Comm. on Railway Extension in Votes & Proc. Legislative Assembly New S. Wales II. (App.) 16 Narrow gauges must of necessity remain impermutable and not susceptible of the necessary change or amelioration.

1966 Transatlantic Rev. No. 21. 48 Her facial essence appeared to narrow..toward a single point..of impermutable refinement and calm.

2009 H. Lee in H. De Hoop & P. De Swart Differential Subj. Marking iii. 52 Harmonic alignment is an operation which combines two scales to form a universally impermutable constraint hierarchy.

This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022).

单词	impermutable
释义	impermutableadj. Brit. /ˌɪmpəˈmjuːtəbl/, U.S. /ˌɪmpərˈmjudəb(ə)l/ Origin: A borrowing from Latin. Etymon: Latin impermutabilis. Etymology: < post-classical Latin impermutabilis (6th cent.) < im- im- prefix² + permutabilis permutable adj. Compare earlier permutable adj.Compare Middle French impermuable (late 14th cent.), Italian impermutabile (mid 14th cent.). Not liable to change; incapable of being changed; constant.Apparently not recorded in 18th cent. Now literary or in technical use. ΘΚΠ the world > time > change > absence of change, changelessness > [adjective] > unchangeable unchangeablea1340 immovablec1374 unmovablec1384 immutable1412 unvariablec1425 indeclinable1432 unmutable?a1439 incommutablec1450 irrevocable1490 impermutable1528 irrecoverable1540 inalterable?1541 unreformable1549 inchangeable1583 beyond (also past, without) recall1597 incontrollable1605 invariable1607 unalterable1611 unrecallable1611 untransmutable1611 unreversable1616 involublea1618 irreversible1629 irreducible1633 inconvertible1646 eternal1685 intransmutable1691 unconvertible1700 unvoidable1725 unmodifiable1798 irreformable1812 irrevertible1822 irredeemable1839 true1845 influxible1871 irrevisable1884 intransformable1887 1528 Rede me & be nott Wrothe sig. h v^v Whose verite is impermutable. 1555 R. Eden tr. Peter Martyr of Angleria Decades of Newe Worlde iii. x. f. 146 Wee see this order to bee impermutable. 1678 R. Russel tr. Jabir ibn Haiyan Wks. Geber iii. ii. ii. xiv. 203 In Bodies there is somewhat impermutable..which cannot be taken away. 1870 Rep. Select Comm. on Railway Extension in Votes & Proc. Legislative Assembly New S. Wales II. (App.) 16 Narrow gauges must of necessity remain impermutable and not susceptible of the necessary change or amelioration. 1966 Transatlantic Rev. No. 21. 48 Her facial essence appeared to narrow..toward a single point..of impermutable refinement and calm. 2009 H. Lee in H. De Hoop & P. De Swart Differential Subj. Marking iii. 52 Harmonic alignment is an operation which combines two scales to form a universally impermutable constraint hierarchy. This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022). < adj.1528
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