diodeadj.n.

Brit.

/ˈdʌɪəʊd/, U.S.

/ˈdaɪˌoʊd/

Etymology: modern < Greek δι-, (di- comb. form) twice, doubly + ὁδός way.

A. adj. literal.

Of two ways: applied by Mr. Preece to a mode of working, which converts a single telegraphic wire into two ways or ducts for signalling messages, without reference to direction; one application of the multiplex system of working.

ΘΚΠ

society > communication > telecommunication > [adjective] > types of system

multiplex1873

quadruplex1874

diplex1878

sextuplex1879

simplex1884

diode1886

hexode1886

tetrode1886

triode1886

octuplex1893

selective1906

quadded1914

multiplexed1964

muxed1991

1886 W. H. Preece in Jrnl. Soc. Telegraph-engineers & Electricians 15 231 A mode [of working] by which two messages are practically sent at the same time will be diode working.

B. n.

(a) A thermionic valve of the simplest kind with just two electrodes, a cathode or ‘filament’ and an anode or ‘plate’. (b) semiconductor diode n. at semiconductor n. Compounds; cf. crystal diode n. at crystal n. and adj. Compounds 2. Also attributive or as adj.

ΘΚΠ

the world > matter > physics > solid state physics > semiconductivity > semiconductor diode > [noun]

crystal rectifier1907

diode1919

varistor1937

photodiode1945

crystal diode1946

junction rectifier1951

junction diode1952

Zener diode1952

Zener1958

tunnel diode1959

light-emitting diode1962

Shockley diode1962

LED1968

Schottky diode1968

OLED1996

the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] > vacuum tube or thermionic valve

vacuum tube1859

trigger tube1894

audion1906

pliotron1915

diode1919

electron tube1919

negatron1919

pentode1919

power valve1919

tetrode1919

triode valve1919

magnetron1921

bright emitter1923

peanut valve1923

peanut1924

power tube1924

multiple valve1929

thyratron1929

heptode1932

hexode1933

pentagrid1933

acorn tube1934

octode1934

triode-pentode1936

triode-hexode1937

transitron1939

trochotron1947

steering diode1957

1919 W. H. Eccles in Electrician 18 Apr. 475/2 I propose to give the name ‘diode’ to a tube with two electrodes.

1921 W. H. Eccles Contin. Wave Wireless Telegr. i. 257 A bulb with two electrodes, namely, anode and cathode, is called a diode tube.

1921 W. H. Eccles Contin. Wave Wireless Telegr. i. 306 This example shows plainly that two constants are required to define the chief properties of a diode.

1929 J. A. Ratcliffe Physical Princ. Wireless ii. 23 The diode usually consists of a straight wire filament which is heated by an electric current.

1943 C. L. Boltz Basic Radio x. 154 The diode's only use is as a rectifier. By adding another electrode we can increase the utility of the valve.

1944 Electronic Engin. 16 408 C charges through a diode valve.

1955 Sci. News Let. 11 June 378/3 A crystal diode is a device similar to the transistor.

1958 Times Rev. Industry July 29/1 Impurities in single crystals in connexion with the production of transistors and diodes.

1959 K. Henney Radio Engin. Handbk. (ed. 5) ix. 7 Logic circuits using diodes may be considered another class of switching applications.

1970 D. F. Shaw Introd. Electronics (ed. 2) xi. 226 The rectifying property of a semi-conductor diode is a consequence of the asymmetrical conduction across the contact between a metal and a semi-conductor.

Draft additions 1997

diode-transistor logic n. Electronics logic in which diodes rather than resistors form the coupling elements between transistors.

ΘΚΠ

society > computing and information technology > [noun] > logic > types of

positive logic1943

threshold logic1947

diode-transistor logic1960

transistor-transistor-logic1962

1957 Wescon Convention Rec. IRE ii. 3 Both of these designs can be derived..by the substitution of diode-transistor logical equivalents for the series and parallel combinations of transistors of DCTL.

1959 Ann. Computation Lab. Harvard Univ. 30 170 A type of transistor-diode logic circuit design.]

1960 IRE Trans. Electronic Computers 9 16/2 Resistor-transistor logic, though simple and reliable in a component sense, is slower than diode-transistor logic.

1987 J. Millman & A. Grabel Microelectronics (ed. 2) vi. 219 This gate realization is called diode-transistor logic (DTL) and was one of the early semiconductor logic families developed.

This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2022).

单词	diode
释义	diodeadj.n. Brit. /ˈdʌɪəʊd/, U.S. /ˈdaɪˌoʊd/ Etymology: modern < Greek δι-, (di- comb. form) twice, doubly + ὁδός way. A. adj. literal. Of two ways: applied by Mr. Preece to a mode of working, which converts a single telegraphic wire into two ways or ducts for signalling messages, without reference to direction; one application of the multiplex system of working. ΘΚΠ society > communication > telecommunication > [adjective] > types of system multiplex1873 quadruplex1874 diplex1878 sextuplex1879 simplex1884 diode1886 hexode1886 tetrode1886 triode1886 octuplex1893 selective1906 quadded1914 multiplexed1964 muxed1991 1886 W. H. Preece in Jrnl. Soc. Telegraph-engineers & Electricians 15 231 A mode [of working] by which two messages are practically sent at the same time will be diode working. B. n. (a) A thermionic valve of the simplest kind with just two electrodes, a cathode or ‘filament’ and an anode or ‘plate’. (b) semiconductor diode n. at semiconductor n. Compounds; cf. crystal diode n. at crystal n. and adj. Compounds 2. Also attributive or as adj. ΘΚΠ the world > matter > physics > solid state physics > semiconductivity > semiconductor diode > [noun] crystal rectifier1907 diode1919 varistor1937 photodiode1945 crystal diode1946 junction rectifier1951 junction diode1952 Zener diode1952 Zener1958 tunnel diode1959 light-emitting diode1962 Shockley diode1962 LED1968 Schottky diode1968 OLED1996 the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] > vacuum tube or thermionic valve vacuum tube1859 trigger tube1894 audion1906 pliotron1915 diode1919 electron tube1919 negatron1919 pentode1919 power valve1919 tetrode1919 triode valve1919 magnetron1921 bright emitter1923 peanut valve1923 peanut1924 power tube1924 multiple valve1929 thyratron1929 heptode1932 hexode1933 pentagrid1933 acorn tube1934 octode1934 triode-pentode1936 triode-hexode1937 transitron1939 trochotron1947 steering diode1957 1919 W. H. Eccles in Electrician 18 Apr. 475/2 I propose to give the name ‘diode’ to a tube with two electrodes. 1921 W. H. Eccles Contin. Wave Wireless Telegr. i. 257 A bulb with two electrodes, namely, anode and cathode, is called a diode tube. 1921 W. H. Eccles Contin. Wave Wireless Telegr. i. 306 This example shows plainly that two constants are required to define the chief properties of a diode. 1929 J. A. Ratcliffe Physical Princ. Wireless ii. 23 The diode usually consists of a straight wire filament which is heated by an electric current. 1943 C. L. Boltz Basic Radio x. 154 The diode's only use is as a rectifier. By adding another electrode we can increase the utility of the valve. 1944 Electronic Engin. 16 408 C charges through a diode valve. 1955 Sci. News Let. 11 June 378/3 A crystal diode is a device similar to the transistor. 1958 Times Rev. Industry July 29/1 Impurities in single crystals in connexion with the production of transistors and diodes. 1959 K. Henney Radio Engin. Handbk. (ed. 5) ix. 7 Logic circuits using diodes may be considered another class of switching applications. 1970 D. F. Shaw Introd. Electronics (ed. 2) xi. 226 The rectifying property of a semi-conductor diode is a consequence of the asymmetrical conduction across the contact between a metal and a semi-conductor. Draft additions 1997 diode-transistor logic n. Electronics logic in which diodes rather than resistors form the coupling elements between transistors. ΘΚΠ society > computing and information technology > [noun] > logic > types of positive logic1943 threshold logic1947 diode-transistor logic1960 transistor-transistor-logic1962 1957 Wescon Convention Rec. IRE ii. 3 Both of these designs can be derived..by the substitution of diode-transistor logical equivalents for the series and parallel combinations of transistors of DCTL. 1959 Ann. Computation Lab. Harvard Univ. 30 170 A type of transistor-diode logic circuit design.] 1960 IRE Trans. Electronic Computers 9 16/2 Resistor-transistor logic, though simple and reliable in a component sense, is slower than diode-transistor logic. 1987 J. Millman & A. Grabel Microelectronics (ed. 2) vi. 219 This gate realization is called diode-transistor logic (DTL) and was one of the early semiconductor logic families developed. This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2022). < adj.n.1886
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