adductn.

Brit.

/ˈadʌkt/, U.S.

/ˈædək(t)/

Origin: A borrowing from German. Etymon: German Addukt.

Etymology: < German Addukt (O. Diels and K. Alder 1931, in Ann. der Chem. 486 191) < Add- (in Addition addition n.) + -ukt (in Produkt product n.¹). Compare earlier addition product at addition n. Compounds 1.

Chemistry.

A compound formed by addition (addition n. 7). Cf. addition product at addition n. Compounds 1.

ΘΚΠ

the world > matter > chemistry > organic chemistry > chemical processes or reactions > [noun] > addition > addition product

adduct1933

1933 Proc. Royal Soc. A. 143 180 The transformation of the adduct to the benzenoid form may follow immediately the attachment of the acetoxy-group.

1978 F. M. Swain Non-marine Org. Geochem. i. 45 The Diels–Alder reaction is one in which an adduct may be formed at normal temperatures from dienes.

2007 E. de Hoffmann Mass Spectrometry (ed. 3) i. 21 The first spectrum contains the peaks of various adducts of the molecular ion of a pure compound.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).

adductv.

Brit.

/əˈdʌkt/, U.S.

/əˈdək(t)/

Origin: A borrowing from Latin. Etymons: Latin addūct-, addūcere.

Etymology: < classical Latin addūct-, past participial stem of addūcere adduce v., after adduction n.¹ (see adduction n.¹ 2) and adductor n. Compare abduct v. 1.

Anatomy and Zoology.

transitive. To draw (a part of the body) towards the median plane or midline; to draw (two parts) together. Contrasted with abduct v. 1.

ΘΚΠ

the world > space > relative position > arrangement or fact of being arranged > state of being gathered together > gather together [verb (transitive)]

somnec825

heapc900

gathera975

samc1000

to set togetherc1275

fang1340

assemblec1374

recueilc1380

drawa1393

to draw togethera1398

semblea1400

congatherc1400

congregatec1400

to take together1490

recollect1513

to gather togetherc1515

to get together1523

congesta1552

confer1552

collect1573

ingatherc1575

ramass1586

upgather1590

to muster upa1593

accrue1594

musterc1595

compone1613

herd1615

contract1620

recoil1632

comporta1641

rally1643

rendezvous1670

purse1809

adduct1824

to round up1873

reeve1876

to pull together1925

1824 J. Lizars Syst. Anat. Plates v. 156 Let the patient be fixed with the pullies, and the affected limb adducted.

1836–9 Todd's Cycl. Anat. & Physiol. II. 528/1 When the thumb is adducted the first dorsal interosseous projects considerably.

1892 Lancet 12 Mar. 571/1 The assistant then rotates the limb outwards, and forcibly adducts the knee towards the opposite armpit to dislocate the femur from the pelvis.

1937 Amer. Jrnl. Surg. 36 335/1 In this exercise the patient, after fully adducting the foot while sitting on a chair, alternately raises the first metatarsal head and pushes it toward the floor.

1958 J. E. Morton Molluscs iii. 52 The shell valves are often adducted. This results..in the expulsion of pallial water through the pedal gape.

2003 P. Woo & E. Yanagisawa in K. J. Lee Essent. Otolaryngol. (ed. 8) xxxi. 730 The thyroarytenoid muscle also adducts and shortens the vocal cord.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online June 2022).

单词	adduct
释义	adductn. Brit. /ˈadʌkt/, U.S. /ˈædək(t)/ Origin: A borrowing from German. Etymon: German Addukt. Etymology: < German Addukt (O. Diels and K. Alder 1931, in Ann. der Chem. 486 191) < Add- (in Addition addition n.) + -ukt (in Produkt product n.¹). Compare earlier addition product at addition n. Compounds 1. Chemistry. A compound formed by addition (addition n. 7). Cf. addition product at addition n. Compounds 1. ΘΚΠ the world > matter > chemistry > organic chemistry > chemical processes or reactions > [noun] > addition > addition product adduct1933 1933 Proc. Royal Soc. A. 143 180 The transformation of the adduct to the benzenoid form may follow immediately the attachment of the acetoxy-group. 1978 F. M. Swain Non-marine Org. Geochem. i. 45 The Diels–Alder reaction is one in which an adduct may be formed at normal temperatures from dienes. 2007 E. de Hoffmann Mass Spectrometry (ed. 3) i. 21 The first spectrum contains the peaks of various adducts of the molecular ion of a pure compound. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). adductv. Brit. /əˈdʌkt/, U.S. /əˈdək(t)/ Origin: A borrowing from Latin. Etymons: Latin addūct-, addūcere. Etymology: < classical Latin addūct-, past participial stem of addūcere adduce v., after adduction n.¹ (see adduction n.¹ 2) and adductor n. Compare abduct v. 1. Anatomy and Zoology. transitive. To draw (a part of the body) towards the median plane or midline; to draw (two parts) together. Contrasted with abduct v. 1. ΘΚΠ the world > space > relative position > arrangement or fact of being arranged > state of being gathered together > gather together [verb (transitive)] somnec825 heapc900 gathera975 samc1000 to set togetherc1275 fang1340 assemblec1374 recueilc1380 drawa1393 to draw togethera1398 semblea1400 congatherc1400 congregatec1400 to take together1490 recollect1513 to gather togetherc1515 to get together1523 congesta1552 confer1552 collect1573 ingatherc1575 ramass1586 upgather1590 to muster upa1593 accrue1594 musterc1595 compone1613 herd1615 contract1620 recoil1632 comporta1641 rally1643 rendezvous1670 purse1809 adduct1824 to round up1873 reeve1876 to pull together1925 1824 J. Lizars Syst. Anat. Plates v. 156 Let the patient be fixed with the pullies, and the affected limb adducted. 1836–9 Todd's Cycl. Anat. & Physiol. II. 528/1 When the thumb is adducted the first dorsal interosseous projects considerably. 1892 Lancet 12 Mar. 571/1 The assistant then rotates the limb outwards, and forcibly adducts the knee towards the opposite armpit to dislocate the femur from the pelvis. 1937 Amer. Jrnl. Surg. 36 335/1 In this exercise the patient, after fully adducting the foot while sitting on a chair, alternately raises the first metatarsal head and pushes it toward the floor. 1958 J. E. Morton Molluscs iii. 52 The shell valves are often adducted. This results..in the expulsion of pallial water through the pedal gape. 2003 P. Woo & E. Yanagisawa in K. J. Lee Essent. Otolaryngol. (ed. 8) xxxi. 730 The thyroarytenoid muscle also adducts and shortens the vocal cord. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online June 2022). < n.1933v.1824
随便看	pro-opium pro-osteon pro-ostracal pro-ostracum pro-oxidant pro-papist pro-parent pro-patronage pro-popery pro-proctor pro-provincial pro-provost pro-reality pro-rebel pro-rector pro-rectorate pro-regent pro-renascent pro-rhodes pro-russian pro-russianism pro-secretist pro-semitism pro-seneschal pro-sentence