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Lord Kelvin

(1824–1907)  The British mathematician, physicist and engineer, William Thomson, who, mostly in the earlier part of his career, made contributions to mathematics in the theories ...

Kelvin, Lord

Kelvin, Lord (1824–1907)   Quick reference

The Concise Oxford Dictionary of Mathematics (6 ed.)

Reference type:
Subject Reference
Current Version:
2021

...Kelvin, Lord ( 1824–1907 ) The British mathematician , physicist , and engineer , William Thomson, who made contributions to mathematics in the theories of electricity and magnetism and hydrodynamics and first identified Stokes’ Theorem...

Kelvin, Lord

Kelvin, Lord (1824–1907)   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
110 words

..., Lord ( William Thomson ; 1824–1907 ) British physicist , born in Belfast , who became professor of natural philosophy at Glasgow University in 1846 . He carried out important experimental work on electromagnetism, inventing the mirror galvanometer and contributing to the development of telegraphy. He also worked with James Prescott Joule on the Joule–Thomson (or Joule–Kelvin) effect . His main theoretical work was in thermodynamics , in which he stressed the importance of the conservation of energy. He also introduced the concept of absolute...

Kelvin, Lord

Kelvin, Lord (1824–1907)   Quick reference

A Dictionary of Physics (8 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Physics
Length:
119 words

...Kelvin, Lord ( William Thomson ; 1824–1907 ) British physicist , born in Belfast, who became professor of natural philosophy at Glasgow University in 1846 . He carried out important experimental and theoretical work on electromagnetism, inventing the mirror galvanometer , contributing to the development of telegraphy, and pioneering theoretical work by expressing electricity and magnetism in terms of fields. He also worked with James Joule on the Joule–Thomson effect . His main theoretical work was in thermodynamics , in which he stressed the importance...

Kelvin, Lord

Kelvin, Lord (1824–1907)   Quick reference

A Dictionary of Chemical Engineering

Reference type:
Subject Reference
Current Version:
2014

...Kelvin, Lord ( 1824–1907 ) A Belfast-born Scottish scientist William Thomson, later 1st Baron Kelvin of Largs, who was the son of a gifted teacher. Both he and his brother James matriculated to Glasgow University aged 10 and 12, respectively. William Thomson was elected to the chair of natural philosophy at Glasgow in 1845 aged 22 and held the position for 53 years. His most important work was on thermodynamics, but he is most widely known for his studies of electricity applied to submarine technology. He was knighted in 1866 and made a baron in...

Kelvin, Lord

Kelvin, Lord (1824–1907)   Quick reference

A Dictionary of Astronomy (3 ed.)

Reference type:
Subject Reference
Current Version:
2018

..., Lord ( William Thomson ) ( 1824–1907 ) Scottish physicist , born in Ireland. He originated the thermodynamic temperature scale, and considered the consequences of energy dissipation in the Universe. Kelvin made one of the first scientific attempts at estimating the Earth’s age, based on known cooling rates of materials, although his result (20–400 million years) was far too low. He also calculated the solar constant...

Lord Kelvin

Lord Kelvin (1824–1907)   Quick reference

Oxford Essential Quotations (6 ed.)

Reference type:
Quotation
Current Version:
2018
Subject:
Quotations
Length:
110 words

...0Lord Lord Kelvin 1824 – 1907 British scientist When you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind: it may be the beginning of knowledge, but you have scarcely, in your thoughts, advanced to the stage of science , whatever the matter may be. often quoted as ‘If you cannot measure it, then it is not science’ Popular Lectures and Addresses vol. 1 (1889) ‘Electrical Units of...

Lord Kelvin

Lord Kelvin (1824–1907)   Reference library

Oxford Dictionary of Quotations (8 ed.)

Reference type:
Quotation
Current Version:
2014
Subject:
Quotations
Length:
113 words

...0Lord Lord Kelvin 1824 – 1907 British physicist and natural philosopher When you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind: it may be the beginning of knowledge, but you have scarcely, in your thoughts, advanced to the stage of science , whatever the matter may be. often quoted as ‘If you cannot measure it, then it is not science’ Popular Lectures and Addresses vol. 1...

Thomson, William (Lord Kelvin)

Thomson, William (Lord Kelvin) (1824–1907)   Reference library

The Oxford Companion to the History of Modern Science

Reference type:
Subject Reference
Subject:
Science and technology, History of Science
Length:
763 words

...and manufacture of scientific, navigational, and electrical instruments. In 1892 , he became the first British scientist to be made a peer, and took the title Kelvin from the tributary of the River Clyde that flowed close to the University. See also Standardization ; Thermodynamics and Statistical Mechanics . Crosbie Smith and M. Norton Wise , Energy and Empire. A Biographical Study of Lord Kelvin (1989). Crosbie Smith , The Science of Energy. A Cultural History of Energy Physics in Victorian Britain (1998). Crosbie...

Kelvin, Lord

Kelvin, Lord (1824–1907)   Reference library

Brewer's Dictionary of Irish Phrase & Fable

Reference type:
Subject Reference
Current Version:
2011

..., Lord ( William Thomson , 1st Baron Kelvin of Largs ) ( 1824–1907 ). Scientist and inventor . He was born William Thomson in Belfast on 26 June 1824 , the son of the head of mathematics in Inst . His father was appointed professor of mathematics at Glasgow University in 1832 , and two years later his gifted son matriculated. He went to Cambridge at 16 and was elected a fellow of Peterhouse in 1846 when he was 22. (He was twice a fellow of Peterhouse: 1846–52 and 1872–1907 .) In the same year, 1846 , he was appointed to the chair of...

Kelvin, Sir William Thomson, Lord

Kelvin, Sir William Thomson, Lord (1824–1907)   Reference library

The New Oxford Dictionary for Scientific Writers and Editors (2 ed.)

Reference type:
Subject Reference
Current Version:
2009

..., Sir William Thomson, Lord ( 1824–1907 ) British theoretical and experimental physicist . The name Kelvin is applied to instruments and concepts devised by Lord Kelvin; the name Thomson is usually preferred in connection with certain effects. Joule–Kelvin coefficient, effect Use Joule–Thomson coefficient, effect (en dash). * kelvin Kelvin balance Kelvin bridge (or double bridge ) Kelvin contacts Kelvin effect Elec. eng. Kelvin effect Thermoelectricity Use Thomson effect. Kelvin temperature scale Now called thermodynamic temperature scale....

Thomson, Sir William, Lord Kelvin

Thomson, Sir William, Lord Kelvin (1824–1907)   Reference library

The New Oxford Dictionary for Scientific Writers and Editors (2 ed.)

Reference type:
Subject Reference
Current Version:
2009

...Sir William, Lord Kelvin ( 1824–1907 ) British theoretical and experimental physicist . The name Thomson is usually used in preference to *Kelvin in the following: Joule–Thomson coefficient (en dash) Thermodynamics Symbol: μ (Greek mu) Joule–Thomson effect (en dash) Thermodynamics Thomson effect ...

Lord Kelvin

Lord Kelvin  

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Overview Page
(1824–1907) The British mathematician, physicist and engineer, William Thomson, who, mostly in the earlier part of his career, made contributions to mathematics in the theories of electricity and ...
Helmholtz–Kelvin contraction

Helmholtz–Kelvin contraction  

The contraction of a star under gravity, the potential energy thus lost being converted into heat and radiated away. The Helmholtz–Kelvin contraction time-scale is defined as the time it would take ...
kelvin

kelvin  

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Overview Page
The SI unit of temperature, in which 0K is absolute zero, i.e., -273.15°C. Named for the British physicist Baron Kelvin, William Thomson (1824–1907).
sounding machine

sounding machine  

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Overview Page
Subject:
History
A 19th-century mechanical device, long obsolete, invented by Lord Kelvin (see Thomson, William) by which the depth of the sea could be measured. He first demonstrated it in the 1870s in the Bay of ...
Thomson effect

Thomson effect  

When an electric current flows through a conductor, the ends of which are maintained at different temperatures, heat is evolved at a rate approximately proportional to the product of the current and ...
James P. Blaylock

James P. Blaylock  

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Overview Page
Subject:
Literature
(1950– )American author, born in Long Beach, California. He turned from fantasies to ‘steampunk’ science fiction in The Digging Leviathan (1984) and Lord Kelvin's Machine (1992). Like Tim Powers, ...
bulbous bow

bulbous bow  

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Overview Page
Subject:
History
A rounded underwater projection forward of the ship's stem, which has been fitted on most seagoing ships, from cruise liners to tankers to fishing boats, since the 1960s. The object of the bulbous ...
Rudolf Julius Emmanuel Clausius

Rudolf Julius Emmanuel Clausius  

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(1822–88)German physicist, who held teaching posts in Berlin and Zurich, before going to Würzburg in 1869. He is best known for formulating the second law of thermodynamics in 1850, independently of ...
binnacle

binnacle  

Reference type:
Overview Page
Subject:
History
The wooden housing of the mariner's magnetic compass and its correctors and lighting arrangements. The change from bittacle to binnacle came in about 1750, although the former name did not entirely ...

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