Tmn.

Brit.

/ˌtiːˈɛm/, U.S.

/ˌtiˈɛm/

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

Etymology: Symbolic abbreviation for thulium n.

Chemistry.

The element thulium.

ΚΠ

1879 P. T. Clève in Chem. News 12 Sept. 126/2 I propose the name of Thullium, derived from Thulé, the ancient name of Scandinavia. The atomic weight Tm of this metal must be about 113.

1921 A. M. Comey & D. A. Hahn Dict. Chem. Solubilities (ed. 2) 1073/1 Thulium oxide, Tm₂O₃. Slowly sol. in hot conc. acids.

1978 H. M. Rosenberg Solid State (ed. 2) ix. 204 Gd is ferromagnetic, but the heavier rare earth metals from Tb to Tm show complex behaviour.

2012 Jrnl. Luminescence 132 1830/1 Infrared laser oscillation using Tm³⁺ as an active ion can be obtained in the 1.8–2.2 μm range.

This is a new entry (OED Third Edition, December 2013; most recently modified version published online March 2022).

> as lemmas

TM n. trademark.

ΘΠ

society > communication > indication > marking > marking to identify > mark of identification > [noun] > mark identifying goods

merchant mark1540

merchant's mark1557

shop mark1592

skin mark1703

brand1728

chop1828

trademark1839

tally1851

scribing1859

trade name1890

word mark1902

TM1961

UPC1974

countermark-

1961 Webster's 3rd New Internat. Dict. Eng. Lang. TM, trademark.

1964 Trademarks in Marketplace (U.S. Trademark Assoc.) 64 We use the term ‘trademark’ right under the selected word, or we put a little ‘TM’ in the place where you normally would put the r.

1980 Sci. Amer. Oct. 138/1 (advt.) The Clan of the Cave Bear, Earth's Children^tm, a novel by Jean M. Auel.

TM n. transcendental meditation.

ΘΚΠ

society > faith > aspects of faith > spirituality > contemplation or meditation > [noun]

contemplation?c1225

meditation?c1225

recollection1576

meditating1609

recollectednessa1699

mantra1794

recueillement1845

transcendental meditation1966

TM1967

society > faith > sect > non-Christian religions > Hinduism > systems of philosophy > [noun] > yoga > transcendental meditation

transcendental meditation1966

TM1967

1967 Listener 7 Sept. 299/1 I hear you're hostile to drugs now and have taken to TM.

1977 ‘E. V. Cunningham’ Case of One-penny Orange (1978) ix. 110 Topanga Canyon..had..sensitivity centers and nudist camps and TM temples.

1980 Times 27 May 1/8 The Home office does not approve the use of TM in borstals or prisons.

T.M. n. trench mortar (cf. toc emma n.).

ΘΚΠ

society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > piece of artillery > [noun] > mortar > trench mortar

trench mortar1871

minenwerfer1914

mine-thrower1914

Minnie1915

Stokes1915

toc emma1916

T.M.1925

Moaning Minnie1944

1925 E. Fraser & J. Gibbons Soldier & Sailor Words 275 T.M. batteries were created for trench warfare and T.M. schools of instruction were established.

1930 J. Brophy & E. Partridge Songs & Slang Brit. Soldier: 1914–1918 173 When a T.M. battery had fired a few shots it departed with speed.

单词	tm
释义	Tmn. Brit. /ˌtiːˈɛm/, U.S. /ˌtiˈɛm/ Origin: Formed within English, by clipping or shortening. Etymon: thulium n. Etymology: Symbolic abbreviation for thulium n. Chemistry. The element thulium. ΚΠ 1879 P. T. Clève in Chem. News 12 Sept. 126/2 I propose the name of Thullium, derived from Thulé, the ancient name of Scandinavia. The atomic weight Tm of this metal must be about 113. 1921 A. M. Comey & D. A. Hahn Dict. Chem. Solubilities (ed. 2) 1073/1 Thulium oxide, Tm₂O₃. Slowly sol. in hot conc. acids. 1978 H. M. Rosenberg Solid State (ed. 2) ix. 204 Gd is ferromagnetic, but the heavier rare earth metals from Tb to Tm show complex behaviour. 2012 Jrnl. Luminescence 132 1830/1 Infrared laser oscillation using Tm³⁺ as an active ion can be obtained in the 1.8–2.2 μm range. This is a new entry (OED Third Edition, December 2013; most recently modified version published online March 2022). > as lemmas TM TM n. trademark. ΘΠ society > communication > indication > marking > marking to identify > mark of identification > [noun] > mark identifying goods merchant mark1540 merchant's mark1557 shop mark1592 skin mark1703 brand1728 chop1828 trademark1839 tally1851 scribing1859 trade name1890 word mark1902 TM1961 UPC1974 countermark- 1961 Webster's 3rd New Internat. Dict. Eng. Lang. TM, trademark. 1964 Trademarks in Marketplace (U.S. Trademark Assoc.) 64 We use the term ‘trademark’ right under the selected word, or we put a little ‘TM’ in the place where you normally would put the r. 1980 Sci. Amer. Oct. 138/1 (advt.) The Clan of the Cave Bear, Earth's Children^tm, a novel by Jean M. Auel. extracted from Tn. TM TM n. transcendental meditation. ΘΚΠ society > faith > aspects of faith > spirituality > contemplation or meditation > [noun] contemplation?c1225 meditation?c1225 recollection1576 meditating1609 recollectednessa1699 mantra1794 recueillement1845 transcendental meditation1966 TM1967 society > faith > sect > non-Christian religions > Hinduism > systems of philosophy > [noun] > yoga > transcendental meditation transcendental meditation1966 TM1967 1967 Listener 7 Sept. 299/1 I hear you're hostile to drugs now and have taken to TM. 1977 ‘E. V. Cunningham’ Case of One-penny Orange (1978) ix. 110 Topanga Canyon..had..sensitivity centers and nudist camps and TM temples. 1980 Times 27 May 1/8 The Home office does not approve the use of TM in borstals or prisons. extracted from Tn. T.M. T.M. n. trench mortar (cf. toc emma n.). ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > piece of artillery > [noun] > mortar > trench mortar trench mortar1871 minenwerfer1914 mine-thrower1914 Minnie1915 Stokes1915 toc emma1916 T.M.1925 Moaning Minnie1944 1925 E. Fraser & J. Gibbons Soldier & Sailor Words 275 T.M. batteries were created for trench warfare and T.M. schools of instruction were established. 1930 J. Brophy & E. Partridge Songs & Slang Brit. Soldier: 1914–1918 173 When a T.M. battery had fired a few shots it departed with speed. extracted from Tn. < n.1879 as lemmas
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