Luminaln.

Brit.

/ˈluːmᵻnl/,

/ˈljuːmᵻnl/, U.S.

/ˈlumənəl/

Forms: Also luminal.

Etymology: probably < Latin lūmin-, lūmen light (as a rendering of phen- comb. form) + -al suffix².

Pharmacology.

A trade name for: the drug phenobarbitone.

ΘΚΠ

the world > health and disease > healing > medicines or physic > medicines for specific purpose > sedatives, antispasmodics, etc. > [noun]

Luminal1912

phenobarbital1919

Nembutal1930

pentobarbital1931

phenobarbitone1932

pentobarbitone1938

allobarbital1944

pheno1949

nembie1950

phenobarb1951

1912 Trade Marks Jrnl. 20 Mar. 402 Luminal... A medicine for human use as a sedative and hypnotic. The Bayer Company, Limited,..Manchester; manufacturers.

1928 Daily Express 7 Dec. 12 Gave him five grains of luminal. He'll sleep for a few hours and wake up penitent.

1937 Times 6 Sept. 7/5 For the defence, it was suggested that the shock of the collision, together with the use of luminal (a narcotic), would account for the symptoms.

1951 ‘E. Crispin’ Long Divorce iv. 37 As a doctor, she had remedies to hand—barbitone, nembutal, luminal.

1960 W. G. Lennox Epilepsy II. xxvi. 860 Luminal (Winthrop-Stearns) is phenobarbital that costs more.

This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022).

luminaladj.

Brit.

/ˈluːmᵻnl/,

/ˈljuːmᵻnl/, U.S.

/ˈlumənəl/

Etymology: < Latin lūmin-, lumen n. + -al suffix¹.

Of or belonging to a lumen.

ΚΠ

1897 Amer. Naturalist 31 67 The luminal walls of these intestinal cells are strong and thick.

Draft additions June 2012

Physics and Astronomy. Designating a speed equal to that of light; having such a speed. Cf. subluminal adj., superluminal adj.

ΚΠ

1969 Physics Today May 45/3 Particles traveling at subluminal and those traveling at luminal velocities are two entirely distinct kinds of objects.

1987 V. Vilenkin in S. Hawking & B. Israel 300 Years Gravitation (1989) xi. 505 Study the behavior of the string near the point of luminal motion.

1998 Philos. Sci. 65 514 Even if it were impossible from the relativistic point of view for a particle to be taken to velocity c, the impossibility of (massive) luminal particles would not follow.

2009 J. L. Pinfold in V. Begun et al. Progress High-Energy Physics & Nucl. Safety 218 The sampling time and reconstruction software of each sub-detector is optimised assuming particles travelling at luminal speed.

This entry has not yet been fully updated (first published 1903; most recently modified version published online March 2022).

单词	luminal
释义	Luminaln. Brit. /ˈluːmᵻnl/, /ˈljuːmᵻnl/, U.S. /ˈlumənəl/ Forms: Also luminal. Etymology: probably < Latin lūmin-, lūmen light (as a rendering of phen- comb. form) + -al suffix². Pharmacology. A trade name for: the drug phenobarbitone. ΘΚΠ the world > health and disease > healing > medicines or physic > medicines for specific purpose > sedatives, antispasmodics, etc. > [noun] Luminal1912 phenobarbital1919 Nembutal1930 pentobarbital1931 phenobarbitone1932 pentobarbitone1938 allobarbital1944 pheno1949 nembie1950 phenobarb1951 1912 Trade Marks Jrnl. 20 Mar. 402 Luminal... A medicine for human use as a sedative and hypnotic. The Bayer Company, Limited,..Manchester; manufacturers. 1928 Daily Express 7 Dec. 12 Gave him five grains of luminal. He'll sleep for a few hours and wake up penitent. 1937 Times 6 Sept. 7/5 For the defence, it was suggested that the shock of the collision, together with the use of luminal (a narcotic), would account for the symptoms. 1951 ‘E. Crispin’ Long Divorce iv. 37 As a doctor, she had remedies to hand—barbitone, nembutal, luminal. 1960 W. G. Lennox Epilepsy II. xxvi. 860 Luminal (Winthrop-Stearns) is phenobarbital that costs more. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022). luminaladj. Brit. /ˈluːmᵻnl/, /ˈljuːmᵻnl/, U.S. /ˈlumənəl/ Etymology: < Latin lūmin-, lumen n. + -al suffix¹. Of or belonging to a lumen. ΚΠ 1897 Amer. Naturalist 31 67 The luminal walls of these intestinal cells are strong and thick. Draft additions June 2012 Physics and Astronomy. Designating a speed equal to that of light; having such a speed. Cf. subluminal adj., superluminal adj. ΚΠ 1969 Physics Today May 45/3 Particles traveling at subluminal and those traveling at luminal velocities are two entirely distinct kinds of objects. 1987 V. Vilenkin in S. Hawking & B. Israel 300 Years Gravitation (1989) xi. 505 Study the behavior of the string near the point of luminal motion. 1998 Philos. Sci. 65 514 Even if it were impossible from the relativistic point of view for a particle to be taken to velocity c, the impossibility of (massive) luminal particles would not follow. 2009 J. L. Pinfold in V. Begun et al. Progress High-Energy Physics & Nucl. Safety 218 The sampling time and reconstruction software of each sub-detector is optimised assuming particles travelling at luminal speed. This entry has not yet been fully updated (first published 1903; most recently modified version published online March 2022). < n.1912adj.1897
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