Mgn.

Brit.

/ɛmˈdʒiː/, U.S.

/ˌɛmˈdʒi/

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

Etymology: Symbolic abbreviation for magnesium n., following the system introduced by Berzelius (who himself had proposed the symbol Ms).The dot above the symbol in quot. 1830 represents the oxygen atom of magnesium oxide.

Chemistry.

The element magnesium (magnesium n. 2).

ΚΠ

1830 Philos. Mag. 2nd Ser. 8 424 Table of Salifiable Bases..Magnesia..Mġ 2·5.

1906 H. J. H. Fenton Notes Qualitative Anal. (new ed.) 173 Behaves as an acid, dissolving metals such as Zn, Fe, Al, Mg, with evolution of hydrogen and production of metallic salts (azides).

1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) iii. 76 The typical hydrogen atom..is replaceable by metals, e.g. readily by K or Na, less readily by Ca, Mg, or Al with formation of alcoholates.

1990 Jrnl. Petrol. 11 698 Olivine in chromitites is substantially enriched in Mg and accessory chromite in Fe.

1994 D. Tulchinsky & A. B. Little Maternal–Fetal Endocrinol. (ed. 2) xxi. 405/2 Measurements of intraerythrocyte or intraleukocyte Mg have not proved to be superior to serum Mg measurements and remain a research tool.

This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).

> as lemmas

MG adj. Printing (of paper) machine-glazed; cf. machine n. Compounds 1c.

ΚΠ

1914 E. A. Dawe Paper iv. 25 The paper passing round this heated cylinder is dried, and glazed on one side, hence the term M.G., or machine-glazed paper.

1937 E. J. Labarre Dict. Paper 170/2 Characteristic of machine glazed papers (abbr. M.G.) is that they are only glazed on one (the under) side, the other being in the (rough) condition in which it comes from the wet end of the machine.

1965 S. C. Gilmour Paper (ed. 2) xix. 236 Litho posters are generally printed on M.G. paper.

1989 Paper Focus Oct. (Suppl.) 46/2 MG (machine glazed), paper that is dried on the papermaking machine... The side..in contact with the drying cylinder..is given a high gloss finish.

M.G. n. Military machine gun.

ΘΚΠ

society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > small-arm > [noun] > machine-gun

machine gun1867

woodpecker1898

put-put1905

M.G.1915

typewriter1915

chopper1929

rattlebox1929

Chicago typewriter1940

1915 D. O. Barnett Let. 8 July in In Happy Memory 207 I'm going to be M.-G. officer.

1969 S. Mays Fall out Officers xx. 154 Sergeant Yardley of M.G. Squadron.

mg n. milligram(s).

ΘΚΠ

the world > relative properties > measurement > measurement by weighing > [noun] > unit or denomination of weight > metric gram(me) > decimal parts of

centigram1795

milligram1797

decigram1801

mg1892

mgm1909

gamma1931

1892 G. Collar Notes on Metric Syst. 7 10 milligrammes (mg.) make 1 centigramme (cg.).

1939 Lancet 22 Apr. 948/1 50 mg. of testosterone is equivalent to 3500 I.U. of androgenic activity.

1951 Good Housek. Home Encycl. 339/2 Its vitamin C content is low—1 mg. per oz.

1968 New Eng. Jrnl. Med. 18 Apr. 875/2 In the United States an alcohol blood level of 100 or 150 mg per 100 ml (depending on the state) is considered legal evidence of intoxication.

1994 Daily Tel. 16 Aug. 12/1 Only a small dose of aspirin—75 mg a day—is necessary to prevent the blood from clotting.

单词	mg
释义	Mgn. Brit. /ɛmˈdʒiː/, U.S. /ˌɛmˈdʒi/ Origin: Formed within English, by clipping or shortening. Etymon: magnesium n. Etymology: Symbolic abbreviation for magnesium n., following the system introduced by Berzelius (who himself had proposed the symbol Ms).The dot above the symbol in quot. 1830 represents the oxygen atom of magnesium oxide. Chemistry. The element magnesium (magnesium n. 2). ΚΠ 1830 Philos. Mag. 2nd Ser. 8 424 Table of Salifiable Bases..Magnesia..Mġ 2·5. 1906 H. J. H. Fenton Notes Qualitative Anal. (new ed.) 173 Behaves as an acid, dissolving metals such as Zn, Fe, Al, Mg, with evolution of hydrogen and production of metallic salts (azides). 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) iii. 76 The typical hydrogen atom..is replaceable by metals, e.g. readily by K or Na, less readily by Ca, Mg, or Al with formation of alcoholates. 1990 Jrnl. Petrol. 11 698 Olivine in chromitites is substantially enriched in Mg and accessory chromite in Fe. 1994 D. Tulchinsky & A. B. Little Maternal–Fetal Endocrinol. (ed. 2) xxi. 405/2 Measurements of intraerythrocyte or intraleukocyte Mg have not proved to be superior to serum Mg measurements and remain a research tool. This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022). > as lemmas MG MG adj. Printing (of paper) machine-glazed; cf. machine n. Compounds 1c. ΚΠ 1914 E. A. Dawe Paper iv. 25 The paper passing round this heated cylinder is dried, and glazed on one side, hence the term M.G., or machine-glazed paper. 1937 E. J. Labarre Dict. Paper 170/2 Characteristic of machine glazed papers (abbr. M.G.) is that they are only glazed on one (the under) side, the other being in the (rough) condition in which it comes from the wet end of the machine. 1965 S. C. Gilmour Paper (ed. 2) xix. 236 Litho posters are generally printed on M.G. paper. 1989 Paper Focus Oct. (Suppl.) 46/2 MG (machine glazed), paper that is dried on the papermaking machine... The side..in contact with the drying cylinder..is given a high gloss finish. extracted from Mn. M.G. M.G. n. Military machine gun. ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > small-arm > [noun] > machine-gun machine gun1867 woodpecker1898 put-put1905 M.G.1915 typewriter1915 chopper1929 rattlebox1929 Chicago typewriter1940 1915 D. O. Barnett Let. 8 July in In Happy Memory 207 I'm going to be M.-G. officer. 1969 S. Mays Fall out Officers xx. 154 Sergeant Yardley of M.G. Squadron. extracted from Mn. M.G. M.G. phr. Building make good. ΚΠ 1940 Chambers's Techn. Dict. 544/2 M.G. (Build.), abbrev. for make good. extracted from Mn. mg mg n. milligram(s). ΘΚΠ the world > relative properties > measurement > measurement by weighing > [noun] > unit or denomination of weight > metric gram(me) > decimal parts of centigram1795 milligram1797 decigram1801 mg1892 mgm1909 gamma1931 1892 G. Collar Notes on Metric Syst. 7 10 milligrammes (mg.) make 1 centigramme (cg.). 1939 Lancet 22 Apr. 948/1 50 mg. of testosterone is equivalent to 3500 I.U. of androgenic activity. 1951 Good Housek. Home Encycl. 339/2 Its vitamin C content is low—1 mg. per oz. 1968 New Eng. Jrnl. Med. 18 Apr. 875/2 In the United States an alcohol blood level of 100 or 150 mg per 100 ml (depending on the state) is considered legal evidence of intoxication. 1994 Daily Tel. 16 Aug. 12/1 Only a small dose of aspirin—75 mg a day—is necessary to prevent the blood from clotting. extracted from Mn. < n.1830 as lemmas
随便看	smoothsliding smoothsoothing smoothspeaking smoothspoken smoothstalked meadow grass smoothsurfaced smoothswarded smoothtalk smoothtempered smoothtongued smoothtonguedness smoothtrodden smoothweeping smoothwinding smoothworn smoothwoven smoothwrought smooting smoots smore smored smores smorgasbord smorgasbords smoring