agarn.¹

Brit.

/ˈaɡə/,

/ˈʌɡə/, U.S.

/ˈɑɡər/

Forms: 1800s ugger, 1800s uggur, 1800s– agar, 1800s– aggur (now rare).

Origin: A borrowing from Hindi. Etymon: Hindi agar.

Etymology: < Hindi agar < Sanskrit agaru < a Dravidian language (see agila n.). Compare earlier agila n., agalloch n., and eagle-wood n.

The aromatic resin or (more fully agarwood) resinous heartwood of Aquilaria malaccensis or any of several other South-East Asian trees of the genera Aquilaria and Gyrinops (family Thymelaeaceae), used in perfumery, in cosmetics, and as incense. Also: any of the trees from which this resin or wood is obtained. Cf. eagle-wood n.This resin is not normally present in the tree, but is produced as a defence mechanism against fungal infection and other forms of damage.

ΘΚΠ

society > occupation and work > materials > raw material > other vegetable materials > plant resin > [noun] > other plant resins

aloesOE

elemi1543

agila1555

copal1577

lycium1597

aloe wood1599

lignum vitae1611

caraña1616

sticklac1659

guaiacum1663

copaiba1712

copahu1736

hackiac1790

guaiac1811

agar1813

ulmin1817

acouchi1818

helleborin1840

piney resin1851

gurjun1858

icican1865

sumbul balsam1868

amyrin1876

jojoba oil1975

jojoba1989

1813 W. Milburn Oriental Commerce II. xxi. 160 Fragrant woods, viz. white or yellow sandal-wood, ugger, or aloe-wood, and tuggur.

1828 W. Hamilton East-India Gazetteer (ed. 2) I. 378/2 The other articles are bird's-nests, sea slugs, shark fins, tortoise-shell, agar-wood, hides, &c. for the Chinese market.

1837 W. J. Hooker Icones Plantarum I. Tab. VI The oil is procured by bruising these portions in a mortar, and boiling them in water, when the Aggur rises to the surface.

1892 J. C. Sawer Odorographia xiii. 285 Some fraudulent dealers sell lumps of the Agar after the oil has been distilled from it.

1909 Central Provinces District Gazetteers Jubbulpore District iii. 108 The aromatic wood of the agar (Aquilaria agallocha).

1972 Bot. Rev. 38 368 It is possible that agarol, or another constituent of agarwood oil, may limit the spread of attacking fungi.

2009 Financial Times 5 Sept. 6/1 Due to the indiscriminate harvesting of Agarwood in the past, Aquilaria malaccensis, the primary source, is now protected as an endangered species.

This is a new entry (OED Third Edition, January 2018; most recently modified version published online December 2021).

agarn.²

Brit.

/ˈeɪɡə/,

/ˈeɪɡɑː/, U.S.

/ˈɑˌɡɑr/,

/ˈeɪˌɡɑr/

Origin: Formed within English, by clipping or shortening. Etymon: agar-agar n.

Etymology: Shortened < agar-agar n.

A gelatinous substance obtained from certain red seaweeds and used in biological culture media and as a thickener in foods; = agar-agar n. 2.

ΘΚΠ

the world > life > biology > laboratory analysis > material > [noun] > culture or medium

culture1880

blood culture1881

cultivation1881

culture medium1883

pure culture1883

agar1885

broth1885

subculture1885

tube-culture1886

bouillon1887

stab-culture1889

streak culture1892

blood agar1893

microculture1893

shake culture1894

streak plate1895

broth culture1897

slant1899

plating1900

stock culture1903

touch preparation1908

tissue culture1912

plaque1924

slope1925

agar-agar1929

isolate1931

MacConkey1938

auxanogram1949

lawn1951

monolayer1952

replica plate1952

1885 Med. Press & Circular 30 Dec. 606/1 His observations were made in a Geissler's chamber with parallel walls, which were coated with a fine covering of bouillon, nutrient gelatine, or agar.

1892 Pall Mall Gaz. 3 Aug. 7/2 Cultures were made in broth, gelatine, and agar.

1905 Jrnl. Med. Res. Nov. 118 As bases for solid culture media, agar and gelatin are of great use. Agar, however, undoubtedly contains many impurities, as sea salts and diatoms.

1983 L. Thomas Youngest Sci. xvii. 191 You cut away a block of the agar, place it upright on a glass slide, and place on top a thin glass coverslip.

2008 New Yorker 11 Aug. 54/3 As I passed from his office into the corridor, I detected the acrid smell of agar, which is used to grow bacteria.

Compounds

agar plate n. a shallow vessel, typically a Petri dish, containing biological culture medium which has been solidified with agar.

ΚΠ

1887 Edinb. Med. Jrnl. (1888) 33 i. 427 Poured out on agar plates, the bacillus pneumoniæ forms grayish-white, gelatinous looking colonies.

1946 Nature 31 Aug. 293/2 A circular disk was cut from the fruit-body..and placed on a nutrient agar plate of typhoid bacillus culture.

2008 Herald Sun (Austral.) (Nexis) 10 Apr. 74 The new technology would enable laboratories to process agar plates faster, thereby improving results.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	agar
释义	agarn.¹ Brit. /ˈaɡə/, /ˈʌɡə/, U.S. /ˈɑɡər/ Forms: 1800s ugger, 1800s uggur, 1800s– agar, 1800s– aggur (now rare). Origin: A borrowing from Hindi. Etymon: Hindi agar. Etymology: < Hindi agar < Sanskrit agaru < a Dravidian language (see agila n.). Compare earlier agila n., agalloch n., and eagle-wood n. The aromatic resin or (more fully agarwood) resinous heartwood of Aquilaria malaccensis or any of several other South-East Asian trees of the genera Aquilaria and Gyrinops (family Thymelaeaceae), used in perfumery, in cosmetics, and as incense. Also: any of the trees from which this resin or wood is obtained. Cf. eagle-wood n.This resin is not normally present in the tree, but is produced as a defence mechanism against fungal infection and other forms of damage. ΘΚΠ society > occupation and work > materials > raw material > other vegetable materials > plant resin > [noun] > other plant resins aloesOE elemi1543 agila1555 copal1577 lycium1597 aloe wood1599 lignum vitae1611 caraña1616 sticklac1659 guaiacum1663 copaiba1712 copahu1736 hackiac1790 guaiac1811 agar1813 ulmin1817 acouchi1818 helleborin1840 piney resin1851 gurjun1858 icican1865 sumbul balsam1868 amyrin1876 jojoba oil1975 jojoba1989 1813 W. Milburn Oriental Commerce II. xxi. 160 Fragrant woods, viz. white or yellow sandal-wood, ugger, or aloe-wood, and tuggur. 1828 W. Hamilton East-India Gazetteer (ed. 2) I. 378/2 The other articles are bird's-nests, sea slugs, shark fins, tortoise-shell, agar-wood, hides, &c. for the Chinese market. 1837 W. J. Hooker Icones Plantarum I. Tab. VI The oil is procured by bruising these portions in a mortar, and boiling them in water, when the Aggur rises to the surface. 1892 J. C. Sawer Odorographia xiii. 285 Some fraudulent dealers sell lumps of the Agar after the oil has been distilled from it. 1909 Central Provinces District Gazetteers Jubbulpore District iii. 108 The aromatic wood of the agar (Aquilaria agallocha). 1972 Bot. Rev. 38 368 It is possible that agarol, or another constituent of agarwood oil, may limit the spread of attacking fungi. 2009 Financial Times 5 Sept. 6/1 Due to the indiscriminate harvesting of Agarwood in the past, Aquilaria malaccensis, the primary source, is now protected as an endangered species. This is a new entry (OED Third Edition, January 2018; most recently modified version published online December 2021). agarn.² Brit. /ˈeɪɡə/, /ˈeɪɡɑː/, U.S. /ˈɑˌɡɑr/, /ˈeɪˌɡɑr/ Origin: Formed within English, by clipping or shortening. Etymon: agar-agar n. Etymology: Shortened < agar-agar n. A gelatinous substance obtained from certain red seaweeds and used in biological culture media and as a thickener in foods; = agar-agar n. 2. ΘΚΠ the world > life > biology > laboratory analysis > material > [noun] > culture or medium culture1880 blood culture1881 cultivation1881 culture medium1883 pure culture1883 agar1885 broth1885 subculture1885 tube-culture1886 bouillon1887 stab-culture1889 streak culture1892 blood agar1893 microculture1893 shake culture1894 streak plate1895 broth culture1897 slant1899 plating1900 stock culture1903 touch preparation1908 tissue culture1912 plaque1924 slope1925 agar-agar1929 isolate1931 MacConkey1938 auxanogram1949 lawn1951 monolayer1952 replica plate1952 1885 Med. Press & Circular 30 Dec. 606/1 His observations were made in a Geissler's chamber with parallel walls, which were coated with a fine covering of bouillon, nutrient gelatine, or agar. 1892 Pall Mall Gaz. 3 Aug. 7/2 Cultures were made in broth, gelatine, and agar. 1905 Jrnl. Med. Res. Nov. 118 As bases for solid culture media, agar and gelatin are of great use. Agar, however, undoubtedly contains many impurities, as sea salts and diatoms. 1983 L. Thomas Youngest Sci. xvii. 191 You cut away a block of the agar, place it upright on a glass slide, and place on top a thin glass coverslip. 2008 New Yorker 11 Aug. 54/3 As I passed from his office into the corridor, I detected the acrid smell of agar, which is used to grow bacteria. Compounds agar plate n. a shallow vessel, typically a Petri dish, containing biological culture medium which has been solidified with agar. ΚΠ 1887 Edinb. Med. Jrnl. (1888) 33 i. 427 Poured out on agar plates, the bacillus pneumoniæ forms grayish-white, gelatinous looking colonies. 1946 Nature 31 Aug. 293/2 A circular disk was cut from the fruit-body..and placed on a nutrient agar plate of typhoid bacillus culture. 2008 Herald Sun (Austral.) (Nexis) 10 Apr. 74 The new technology would enable laboratories to process agar plates faster, thereby improving results. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.¹1813n.²1885
随便看	shrunken shrunken head shrunkener shrunkenest shrunkenner shrunkennest shruti shshsh shshshing shtetel shtetels shtetl shtetlach shtetls shtibl shtick shticks shticky shtik shtiks shtook shtreimel shtum shtup shtupped

agarn.1

agarn.2

Compounds

agarn.¹

agarn.²