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Meaning of "steradian" in the English dictionary

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DICTIONARY
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ETYMOLOGY OF THE WORD STERADIAN

From stereo- + radian.
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Etymology is the study of the origin of words and their changes in structure and significance.
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PRONUNCIATION OF STERADIAN

steradian  [stəˈreɪdɪən] play
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GRAMMATICAL CATEGORY OF STERADIAN

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Steradian is a noun.
A noun is a type of word the meaning of which determines reality. Nouns provide the names for all things: people, objects, sensations, feelings, etc.

WHAT DOES STERADIAN MEAN IN ENGLISH?

Steradian

The steradian or squared radian is the SI unit of solid angle. It is used in three-dimensional space, and functions analogously to the manner in which the radian quantifies planar angles. The name is derived from the Greek stereos for "solid" and the Latin radius for "ray, beam". The steradian, like the radian, is dimensionless, essentially because a solid angle is the ratio between the area subtended and the square of its distance from the vertex: both the numerator and denominator of this ratio have dimension length squared. It is useful, however, to distinguish between dimensionless quantities of different nature, so in practice the symbol "sr" is used to indicate a solid angle. For example, radiant intensity can be measured in watts per steradian. The steradian was formerly an SI supplementary unit, but this category was abolished from the SI in 1995 and the steradian is now considered an SI derived unit.

Definition of steradian in the English dictionary

The definition of steradian in the dictionary is an SI unit of solid angle; the angle that, having its vertex in the centre of a sphere, cuts off an area of the surface of the sphere equal to the square of the length of the radius sr.

WORDS THAT RHYME WITH STERADIAN


Acadian
əˈkeɪdɪən
Accadian
əˈkeɪdɪən
Arcadian
ɑːˈkeɪdɪən
Barbadian
bɑːˈbeɪdɪən
Canadian
kəˈneɪdɪən
circadian
sɜːˈkeɪdɪən
Euclidean
juːˈklɪdɪən
Floridian
flɒˈrɪdɪən
French-Canadian
ˌfrɛntʃkəˈneɪdɪən
gammadion
ɡæˈmeɪdɪən
Gideon
ˈɡɪdɪən
Grenadian
ɡrɛˈneɪdɪən
meridian
məˈrɪdɪən
milliradian
ˈmɪlɪˌreɪdɪən
obsidian
ɒbˈsɪdɪən
ophidian
əʊˈfɪdɪən
Orcadian
ɔːˈkeɪdɪən
Palladian
pəˈleɪdɪən
radian
ˈreɪdɪən
viridian
vɪˈrɪdɪən

WORDS THAT BEGIN LIKE STERADIAN

stepwise
stercoraceous
stercoral
stercoranism
stercoranist
stercorarious
stercorary
stercorate
stercoricolous
sterculia
sterculiaceous
stere
stereo
stereo effect
stereo sound
stereo system
stereoacuity
stereobate
stereobatic
stereoblind

WORDS THAT END LIKE STERADIAN

African-Canadian
Akkadian
American Indian
Bermudian
Burundian
Cambodian
comedian
custodian
East Indian
Edwardian
English Canadian
French Canadian
guardian
Indian
Indo-Canadian
median
New Canadian
Plains Indian
Trinidadian
West Indian

Synonyms and antonyms of steradian in the English dictionary of synonyms

SYNONYMS

Translation of «steradian» into 25 languages

TRANSLATOR
online translator

TRANSLATION OF STERADIAN

Find out the translation of steradian to 25 languages with our English multilingual translator.
The translations of steradian from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «steradian» in English.

Translator English - Chinese

球面度
1,325 millions of speakers

Translator English - Spanish

estereorradián
570 millions of speakers

English

steradian
510 millions of speakers

Translator English - Hindi

steradian
380 millions of speakers
ar

Translator English - Arabic

ستيراديان
280 millions of speakers

Translator English - Russian

стерадиан
278 millions of speakers

Translator English - Portuguese

steradian
270 millions of speakers

Translator English - Bengali

steradian
260 millions of speakers

Translator English - French

stéradian
220 millions of speakers

Translator English - Malay

Steradian
190 millions of speakers

Translator English - German

Steradiant
180 millions of speakers

Translator English - Japanese

ステラジアン
130 millions of speakers

Translator English - Korean

스테 라디안
85 millions of speakers

Translator English - Javanese

Steradian
85 millions of speakers
vi

Translator English - Vietnamese

steradian
80 millions of speakers

Translator English - Tamil

steradian
75 millions of speakers

Translator English - Marathi

स्ट्रेॅडियन
75 millions of speakers

Translator English - Turkish

steradyan
70 millions of speakers

Translator English - Italian

steradiante
65 millions of speakers

Translator English - Polish

steradian
50 millions of speakers

Translator English - Ukrainian

стерадіан
40 millions of speakers

Translator English - Romanian

steradian
30 millions of speakers
el

Translator English - Greek

στερακτίνιο
15 millions of speakers
af

Translator English - Afrikaans

steradiaal
14 millions of speakers
sv

Translator English - Swedish

steradian
10 millions of speakers
no

Translator English - Norwegian

steradian
5 millions of speakers

Trends of use of steradian

TRENDS

TENDENCIES OF USE OF THE TERM «STERADIAN»

The term «steradian» is normally little used and occupies the 122.794 position in our list of most widely used terms in the English dictionary.
0
100%
FREQUENCY
Little used
43
/100
The map shown above gives the frequency of use of the term «steradian» in the different countries.
Principal search tendencies and common uses of steradian
List of principal searches undertaken by users to access our English online dictionary and most widely used expressions with the word «steradian».

FREQUENCY OF USE OF THE TERM «STERADIAN» OVER TIME

The graph expresses the annual evolution of the frequency of use of the word «steradian» during the past 500 years. Its implementation is based on analysing how often the term «steradian» appears in digitalised printed sources in English between the year 1500 and the present day.

Examples of use in the English literature, quotes and news about steradian

EXAMPLES

10 ENGLISH BOOKS RELATING TO «STERADIAN»

Discover the use of steradian in the following bibliographical selection. Books relating to steradian and brief extracts from same to provide context of its use in English literature.
1
THE STERADIAN TRAIL: BOOK #0 OF THE INFINITY CYCLE:
They don’t come better than Divya. ‘Uber-smart’ does not even begin to describe it.
M.N. KRISH, 2013
2
Steradian
High Quality Content by WIKIPEDIA articles! The steradian (symbol: sr) is the SI unit of solid angle.
Jesse Russell, Ronald Cohn, 2012
3
The Grace of Being
Steradian Four Delta (6) Steradian Five Epsilon (e) Steradian Six Theta (<J>) Steradian Seven Lambda (k) Steradian Eight Mu(|i) Steradian Nine Pi(ji) Steradian Ten Tau (x) Steradian Eleven Chi (X) Steradian Twelve Psi (1JJ)
Ronald Clark, 2006
4
Environmental Issues for Architecture
David Lee Smith. it is easiest to visualize a steradian by assuming a regular solid angle, such as a cone or a pyramid, as shown in Figure 2.24, any solid angle with a base area equal to the square of the apextobase dimension is a steradian.
David Lee Smith, 2011
5
Articles on Angle, Including: Minute of ARC, Radian, ...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.
Hephaestus Books, 2011
6
Articles on Natural Units, Including: Radian, Steradian, ...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.
Hephaestus Books, 2011
7
CRC Handbook of Chemistry and Physics, 84th Edition
3 SI supplementary units As previously stated, there are two units in this class: the radian, symbol rad, the SI unit of the quantity plane angle; and the steradian, symbol sr, the SI unit of the quantity solid angle. Definitions of these units are given ...
David R. Lide, 2003
8
Articles on Units of Angle, Including: Minute of ARC, ...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.
Hephaestus Books, 2011
9
Classical Mechanics and General Properties of Matter
2π radian = 360° (9) The Steradian (sr) The steradian is the supplementary SI unit of solid angle1. One steradian is subtended at the centre of a sphere of radius r by a portion of its surface of area r2. Note further that both the plane angle and ...
Satyendra Nath Maiti, 2007
10
CRC Handbook of Chemistry and Physics, 85th Edition
3 SI supplementary units As previously stated, there are two units in this class: the radian, symbol rad, the SI unit of the quantity plane angle: and the steradian. symbol sr, the SI unit of the quantity solid angle. Definitions of these units are given ...
David R. Lide, 2004

10 NEWS ITEMS WHICH INCLUDE THE TERM «STERADIAN»

Find out what the national and international press are talking about and how the term steradian is used in the context of the following news items.
1
Osram infrared LEDs enable smartphone unlocking by iris scanning
It is only 2.4 mm high and achieves a typical radiant intensity of 2900 mW per steradian--a combination that at present only this infrared LED can provide. «Laser Focus world, Jul 15»
2
Infrared LED enables iris scanning to unlock smartphones.
July 10, 2015 - Measuring only 2.4 mm high, Oslux SFH 4780S achieves typical radiant intensity of 2,900 mW/steradian. Device has wavelength of 810 nm, ... «ThomasNet News, Jul 15»
3
Osram infrared LED used for Fujitsu's iris scanning phone
In terms of dimensions, the IRED is only 2.4 millimeters high and achieves a typical radiant intensity of 2900 milliwatts per steradian. It has a wavelength of 810 ... «Planet Biometrics, Jul 15»
4
How to calculate Lumens?
A candela is roughly the brightness of a candle, measured in watts per steradian (solid angle). A lumen is candelas per solid angle. 1 candle emitting in a ... «GameDev.net, May 15»
5
The Rendering Equation
Note: The steradian is a dimensionless unit, because it is in fact a ratio of area to distance squared (or sometimes a ratio of area to area) as seen above. «GameDev.net, Mar 15»
6
Gods, theorems and love letters
(M.N. Krish works in consulting and is the author of The Steradian Trail: Book #0 of the Infinity Cycle. E-mail: krish@mnkrish.com.) Keywords: Indian Science ... «The Hindu, Feb 15»
7
EUV's Second Source
But what matters more is brightness: this is the power over a spherical arc area; the unit is W/mm2-steradian. This geometrical concept is referred to as the ... «EE Journal, Nov 14»
8
MINER may help locate hidden nuclear devices in minutes
"MINER images all the way around and up and down, or a full 4π steradians. We imaged part of one side of an entire high-rise building at once and narrowed ... «Gizmag, Nov 14»
9
Direct-Diode Laser Slices Through Metal
The company claims its 4-kW direct-diode laser puts out 2,600 MW per square centimeter per steradian and can slice through a half-inch of steel. In the past ... «Machine Design, Jul 14»
10
Lincoln Laboratory spinout is commercializing the first direct-diode …
... as much power and brightness as all other industrial lasers — about 2,600 megawatts per square centimeter per steradian — at roughly 40 percent efficiency. «MIT News, Jul 14»

REFERENCE
« EDUCALINGO. Steradian [online]. Available <https://educalingo.com/en/dic-en/steradian>. Apr 2024 ».
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