inducern.

Brit.

/ɪnˈdjuːsə/,

/ɪnˈdʒuːsə/, U.S.

/ənˈd(j)usər/,

/ɪnˈd(j)usər/

Etymology: < induce v. + -er suffix¹.

1. One who or that which induces, persuades, or leads on (to some act, conduct, opinion, etc.).

ΘΚΠ

the mind > will > motivation > persuasion > [noun] > one who persuades

persuader1538

inducer1554

psychagogue1847

1554 T. Martin Traictise Marriage of Priestes iii. sig. Ciii^v How can he be a mete perswader or inducer of the people to widowheade, whiche hath himselfe been often maried?

1624 R. B. in F. White's Repl. Fisher App. 25 Euerie thing that is the first Inducer to beleeue is not by and by..the principall Motiue.

a1716 R. South Serm. Several Occasions (1744) VIII. 85 As if he [sc. God] were the great impeller and inducer of men to sin.

1799 E. Dubois Piece Family Biogr. III. 159 Grief is perhaps a greater inducer to invoke the muse than joy.

a. One who or that which introduces or brings in or on (some state or condition). rare except in scientific contexts.

ΘΚΠ

the world > existence and causation > causation > [noun] > agent or person who causes

causec1374

authora1382

workerc1384

causerc1386

begetterc1390

causac1420

workera1425

upraiserc1440

inspirerc1450

procurer1451

occasioner?c1452

procurator1486

purchaser1548

authorera1556

wielder1570

agent1571

effector1586

effecter1591

authoress1592

effectress1601

effectrix1611

performer1616

inducera1631

causeress1631

causatrix1649

father-in-law1650

pregnatress1651

matter1686

energizer1804

establisher1812

bringer1866

a1631 J. Donne Serm. (1955) II. 123 And yet..this messenger of Satan was..a fore-runner, and some kind of Inducer of that Grace, which was sufficient for him.

1850 E. B. Browning tr. Æschylus Prometheus Bound (rev. ed.) in Poems (new ed.) I. 160 I..devised for them Number, the inducer of philosophies.

1970 Sci. Jrnl. June 70/1 Corticine favours the development of the cortex and inhibits the medulla while medullarine has the opposite effect. These inducers, as they are called, also impose ovogonial or spermatogonial development upon the germ cells.

1971 New Scientist 24 June 745/2 Consistency is maintained by several indications..that prostaglandins are potent inducers of fever.

1971 Sci. Amer. July 27/3 The search for inducers..turned up many different kinds of substances that stimulated interferon production in animals. These included bacteria, parasites, viruses, polysaccharides,..and other substances.

b. Biochemistry. Any substance (frequently the substrate of the enzyme concerned) whose presence results in (increased) production of an enzyme. (Cf. induction n. 9c.)

ΚΠ

1953 Cohn et al. in Nature 12 Dec. 1096/1 It might prove unpractical to abandon the use of the term ‘enzyme adaptation’ altogether at this stage; but we should like to suggest that..a more accurate and significant terminology be employed. We therefore propose the following terms and designations; previously used terms are placed in parenthesis. A relative increase in the rate of synthesis of a specific apoenzyme resulting from exposure to a chemical substance is an ‘enzyme induction’ (enzyme adaptation). Any substance thus inducing enzyme synthesis is an enzyme ‘inducer’. An enzyme-forming system which can be so activated by an exogenous inducer is ‘inducible’, and the enzyme so formed is ‘induced’ (adaptive). Although many compounds can act both as inducer and substrate, the terms are not equivalent. Certain substrates for induced enzymes are not inducers, while some inducers cannot function as substrates of the enzymes the formation of which they elicit.

1959 Jrnl. Molecular Biol. 1 175 When inducer is added at this stage, enzyme synthesis is resumed.

1971 J. Z. Young Introd. Study Man iii. 54 The action of the inducer (lactose) is to inactivate the repressor.

This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022).

单词	inducer
释义	inducern. Brit. /ɪnˈdjuːsə/, /ɪnˈdʒuːsə/, U.S. /ənˈd(j)usər/, /ɪnˈd(j)usər/ Etymology: < induce v. + -er suffix¹. 1. One who or that which induces, persuades, or leads on (to some act, conduct, opinion, etc.). ΘΚΠ the mind > will > motivation > persuasion > [noun] > one who persuades persuader1538 inducer1554 psychagogue1847 1554 T. Martin Traictise Marriage of Priestes iii. sig. Ciii^v How can he be a mete perswader or inducer of the people to widowheade, whiche hath himselfe been often maried? 1624 R. B. in F. White's Repl. Fisher App. 25 Euerie thing that is the first Inducer to beleeue is not by and by..the principall Motiue. a1716 R. South Serm. Several Occasions (1744) VIII. 85 As if he [sc. God] were the great impeller and inducer of men to sin. 1799 E. Dubois Piece Family Biogr. III. 159 Grief is perhaps a greater inducer to invoke the muse than joy. 2. a. One who or that which introduces or brings in or on (some state or condition). rare except in scientific contexts. ΘΚΠ the world > existence and causation > causation > [noun] > agent or person who causes causec1374 authora1382 workerc1384 causerc1386 begetterc1390 causac1420 workera1425 upraiserc1440 inspirerc1450 procurer1451 occasioner?c1452 procurator1486 purchaser1548 authorera1556 wielder1570 agent1571 effector1586 effecter1591 authoress1592 effectress1601 effectrix1611 performer1616 inducera1631 causeress1631 causatrix1649 father-in-law1650 pregnatress1651 matter1686 energizer1804 establisher1812 bringer1866 a1631 J. Donne Serm. (1955) II. 123 And yet..this messenger of Satan was..a fore-runner, and some kind of Inducer of that Grace, which was sufficient for him. 1850 E. B. Browning tr. Æschylus Prometheus Bound (rev. ed.) in Poems (new ed.) I. 160 I..devised for them Number, the inducer of philosophies. 1970 Sci. Jrnl. June 70/1 Corticine favours the development of the cortex and inhibits the medulla while medullarine has the opposite effect. These inducers, as they are called, also impose ovogonial or spermatogonial development upon the germ cells. 1971 New Scientist 24 June 745/2 Consistency is maintained by several indications..that prostaglandins are potent inducers of fever. 1971 Sci. Amer. July 27/3 The search for inducers..turned up many different kinds of substances that stimulated interferon production in animals. These included bacteria, parasites, viruses, polysaccharides,..and other substances. b. Biochemistry. Any substance (frequently the substrate of the enzyme concerned) whose presence results in (increased) production of an enzyme. (Cf. induction n. 9c.) ΚΠ 1953 Cohn et al. in Nature 12 Dec. 1096/1 It might prove unpractical to abandon the use of the term ‘enzyme adaptation’ altogether at this stage; but we should like to suggest that..a more accurate and significant terminology be employed. We therefore propose the following terms and designations; previously used terms are placed in parenthesis. A relative increase in the rate of synthesis of a specific apoenzyme resulting from exposure to a chemical substance is an ‘enzyme induction’ (enzyme adaptation). Any substance thus inducing enzyme synthesis is an enzyme ‘inducer’. An enzyme-forming system which can be so activated by an exogenous inducer is ‘inducible’, and the enzyme so formed is ‘induced’ (adaptive). Although many compounds can act both as inducer and substrate, the terms are not equivalent. Certain substrates for induced enzymes are not inducers, while some inducers cannot function as substrates of the enzymes the formation of which they elicit. 1959 Jrnl. Molecular Biol. 1 175 When inducer is added at this stage, enzyme synthesis is resumed. 1971 J. Z. Young Introd. Study Man iii. 54 The action of the inducer (lactose) is to inactivate the repressor. This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022). < n.1554
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