theinen.

/ˈθiːʌɪn/

Forms: Also † ˈtheina.

Etymology: < modern Latin thea tea n.¹ + -ine suffix⁵.

Chemistry.

A vegetable alkaloid, originally thought to be a principle peculiar to tea, but found to be identical with caffeine n.

ΘΚΠ

the world > matter > chemistry > organic chemistry > alkaloids > [noun] > caffeine

caffeine1830

theine1838

1838 T. Thomson Chem. Org. Bodies 295 Oudry has..announced that he has discovered in tea a salifiable basis, to which he has given the name of theina.

1842 Penny Cycl. XXIV. 304/2 Thein, or Theina, the peculiar principle of tea.

1853 A. Ure Dict. Arts (ed. 4) II. 834 Theine was obtained from coffee by the same process slightly altered.

1863–72 H. Watts Dict. Chem. I. 707 Oudry.., in 1827, found in tea a crystalline substance, which he called theine.

1881 A. Griffith in Hardwicke's Sci.-gossip No. 203. 248 Tea contains from a half to five per cent. of theine.

This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2020).

† theinetheignv.

Forms: Old English–Middle English þegnian (Old English ðægn-), þénian, Middle English þeignen, Middle English þæinen, þeine(n.

Etymology: Old English þegnian , < þeign, thane n.¹ = Old Norse þegna , Old High German deganôn < Old Germanic *þegnôjan , < *þegno^z thane n.¹

Obsolete.

intransitive. To be a servant or minister, to perform the duties of an office. With dative: To minister to, wait or attend upon, serve. (a person); hence, quasi-transitive.

ΘΚΠ

society > authority > subjection > service > serve [verb]

theowc888

theinea900

society > authority > subjection > service > servant > act as servant [verb]

theowc888

theinea900

a900 tr. Bede Eccl. Hist. (1890) iii. xvii. [xxiii.] 232 Þa he ða monig ger..biscophad þegnade.

971 Blickl. Hom. 33 He wæs soþ God, þe him englas þegnedon.

c975 Rushw. Gosp. Matt. viii. 15 Hiu aras & ðægnade heom.

OE Beowulf 560 Ic him þenode deoran sweorde, swa hit gedefe wæs.

c1000 West Saxon Gospels: Matt. (Corpus Cambr.) viii. 15 Ða aras heo & þenode him.

c1160 Hatton Gosp. Matt. viii. 15 Þa aras hyo & þeignede hym.

a1175 Cott. Hom. 239 Mid al þan þe..laȝelice her him þenið.

c1175 Lamb. Hom. 109 Vnwurðe bið þe on elde þet him oðer men þenien.

a1225 St. Marher. 23 Þeos þreo in an iþeinet of engles.

a1250 Prov. Ælfred 499 in Old Eng. Misc. 132 Loke þat þu him þeine mid alle þeuues þines.

c1275 (?a1200) Laȝamon Brut (Calig.) (1978) l. 12287 A þusend hire eode biuoren..to þæinen [c1300 Otho saruy] þere quene.

c1275 (?a1200) Laȝamon Brut (Calig.) (1978) l. 12274 Þer weoren a þusend cnihtes bald..þat þeineden þan kinge.

Derivatives

† theining n. (also þeignung, þening) Obsolete ministration, service, office.

ΘΚΠ

society > authority > subjection > service > [noun]

theiningc888

servicea1225

hinehedea1300

officec1330

employment1563

c888 Ælfred tr. Boethius De Consol. Philos. xxxvii. §1 gif him mon þonne awint of þa claþas, & him oftihð þara þenunga & þæs anwealdes.

a900 tr. Bede Eccl. Hist. (1890) ii. xiv. [xvi.] 144 Nænig..hrinan dorste ne ne wolde buton his nedþearflicre þegnunge.

971 Blickl. Hom. 209 Englas beoð to ðegnunge gæstum fram Gode hider on world sended.

c1000 West Saxon Gospels: Matt. (Corpus Cambr.) xxvi. 19 Hig ge-gearwodon him easter-þenunga.

a1175 Cott. Hom. 233 His water [us werpð] drench and fiscynn his fer manifeald þeninge.

This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2021).

单词	theine
释义	theinen. /ˈθiːʌɪn/ Forms: Also † ˈtheina. Etymology: < modern Latin thea tea n.¹ + -ine suffix⁵. Chemistry. A vegetable alkaloid, originally thought to be a principle peculiar to tea, but found to be identical with caffeine n. ΘΚΠ the world > matter > chemistry > organic chemistry > alkaloids > [noun] > caffeine caffeine1830 theine1838 1838 T. Thomson Chem. Org. Bodies 295 Oudry has..announced that he has discovered in tea a salifiable basis, to which he has given the name of theina. 1842 Penny Cycl. XXIV. 304/2 Thein, or Theina, the peculiar principle of tea. 1853 A. Ure Dict. Arts (ed. 4) II. 834 Theine was obtained from coffee by the same process slightly altered. 1863–72 H. Watts Dict. Chem. I. 707 Oudry.., in 1827, found in tea a crystalline substance, which he called theine. 1881 A. Griffith in Hardwicke's Sci.-gossip No. 203. 248 Tea contains from a half to five per cent. of theine. This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2020). † theinetheignv. Forms: Old English–Middle English þegnian (Old English ðægn-), þénian, Middle English þeignen, Middle English þæinen, þeine(n. Etymology: Old English þegnian , < þeign, thane n.¹ = Old Norse þegna , Old High German deganôn < Old Germanic þegnôjan , < þegno^z thane n.¹ Obsolete. intransitive. To be a servant or minister, to perform the duties of an office. With dative: To minister to, wait or attend upon, serve. (a person); hence, quasi-transitive. ΘΚΠ society > authority > subjection > service > serve [verb] theowc888 theinea900 society > authority > subjection > service > servant > act as servant [verb] theowc888 theinea900 a900 tr. Bede Eccl. Hist. (1890) iii. xvii. [xxiii.] 232 Þa he ða monig ger..biscophad þegnade. 971 Blickl. Hom. 33 He wæs soþ God, þe him englas þegnedon. c975 Rushw. Gosp. Matt. viii. 15 Hiu aras & ðægnade heom. OE Beowulf 560 Ic him þenode deoran sweorde, swa hit gedefe wæs. c1000 West Saxon Gospels: Matt. (Corpus Cambr.) viii. 15 Ða aras heo & þenode him. c1160 Hatton Gosp. Matt. viii. 15 Þa aras hyo & þeignede hym. a1175 Cott. Hom. 239 Mid al þan þe..laȝelice her him þenið. c1175 Lamb. Hom. 109 Vnwurðe bið þe on elde þet him oðer men þenien. a1225 St. Marher. 23 Þeos þreo in an iþeinet of engles. a1250 Prov. Ælfred 499 in Old Eng. Misc. 132 Loke þat þu him þeine mid alle þeuues þines. c1275 (?a1200) Laȝamon Brut (Calig.) (1978) l. 12287 A þusend hire eode biuoren..to þæinen [c1300 Otho saruy] þere quene. c1275 (?a1200) Laȝamon Brut (Calig.) (1978) l. 12274 Þer weoren a þusend cnihtes bald..þat þeineden þan kinge. Derivatives † theining n. (also þeignung, þening) Obsolete ministration, service, office. ΘΚΠ society > authority > subjection > service > [noun] theiningc888 servicea1225 hinehedea1300 officec1330 employment1563 c888 Ælfred tr. Boethius De Consol. Philos. xxxvii. §1 gif him mon þonne awint of þa claþas, & him oftihð þara þenunga & þæs anwealdes. a900 tr. Bede Eccl. Hist. (1890) ii. xiv. [xvi.] 144 Nænig..hrinan dorste ne ne wolde buton his nedþearflicre þegnunge. 971 Blickl. Hom. 209 Englas beoð to ðegnunge gæstum fram Gode hider on world sended. c1000 West Saxon Gospels: Matt. (Corpus Cambr.) xxvi. 19 Hig ge-gearwodon him easter-þenunga. a1175 Cott. Hom. 233 His water [us werpð] drench and fiscynn his fer manifeald þeninge. This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2021). < n.1838v.c888
随便看	plucked one pluckedness pluckee plucker plucker away plucker-at pluckerat pluckers pluckier pluckiest pluckilier pluckiliest pluckily pluckiness pluckinesses plucking pluckless plucklessness pluckpenny plucks pluckup fair plucky plud pluff pluff mud