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Meaning of "penumbra" in the English dictionary

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DICTIONARY
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ETYMOLOGY OF THE WORD PENUMBRA

Via New Latin from Latin paene almost + umbra shadow.
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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 PENUMBRA

penumbra  [pɪˈnʌmbrə] play
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GRAMMATICAL CATEGORY OF PENUMBRA

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Penumbra 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 PENUMBRA MEAN IN ENGLISH?

penumbra

Umbra

The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. For a point source only the umbra is cast. These names are most often used for the shadows cast by celestial bodies, though they are sometimes used to describe levels of darkness, such as in sunspots.

Definition of penumbra in the English dictionary

The first definition of penumbra in the dictionary is a fringe region of half shadow resulting from the partial obstruction of light by an opaque object. Other definition of penumbra is the lighter and outer region of a sunspot. Penumbra is also the point or area in which light and shade blend.

WORDS THAT RHYME WITH PENUMBRA


abracadabra
ˌæbrəkəˈdæbrə
algebra
ˈældʒɪbrə
Alhambra
ælˈhæmbrə
Anambra
əˈnæmbrə
candelabra
ˌkændɪˈlɑːbrə
cembra
ˈsɛmbrə
cobra
ˈkəʊbrə
dobra
ˈdəʊbrə
Ellenborough
ˈɛlənbrə
labra
ˈleɪbrə
libra
ˈlaɪbrə
Middlesbrough
ˈmɪdəlzbrə
palabra
pəˈlɑːbrə
robe-de-chambre
rɔbdəʃɑ̃brə
robes-de-chambre
rɔbdəʃɑ̃brə
sabra
ˈsɑːbrə
Scarborough
ˈskɑːbrə
umbra
ˈʌmbrə
vertebra
ˈvɜːtɪbrə
zebra
ˈziːbrə

WORDS THAT BEGIN LIKE PENUMBRA

pentyl acetate
pentylene
pentylenetetrazol
penuche
penuchle
penuckle
penult
penultima
penultimate
penultimately
penumbrae
penumbral
penumbrous
penurious
penuriously
penuriousness
penury
Penutian
penwiper
penwoman

WORDS THAT END LIKE PENUMBRA

Akubra
Aldabra
Boolean algebra
bra
cerebra
Coimbra
common zebra
disjecta membra
half-cup bra
Indian cobra
king cobra
lubra
Mahalla el Kubra
nursing bra
padded bra
Rubbra
sports bra
terebra
uplift bra
zabra

Synonyms and antonyms of penumbra in the English dictionary of synonyms

SYNONYMS

Translation of «penumbra» into 25 languages

TRANSLATOR
online translator

TRANSLATION OF PENUMBRA

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

Translator English - Chinese

半影
1,325 millions of speakers

Translator English - Spanish

penumbra
570 millions of speakers

English

penumbra
510 millions of speakers

Translator English - Hindi

Penumbra
380 millions of speakers
ar

Translator English - Arabic

غبش
280 millions of speakers

Translator English - Russian

полутень
278 millions of speakers

Translator English - Portuguese

penumbra
270 millions of speakers

Translator English - Bengali

উপচ্ছায়া
260 millions of speakers

Translator English - French

pénombre
220 millions of speakers

Translator English - Malay

Penumbra
190 millions of speakers

Translator English - German

Halbschatten
180 millions of speakers

Translator English - Japanese

半影
130 millions of speakers

Translator English - Korean

반그림자
85 millions of speakers

Translator English - Javanese

Penumbra
85 millions of speakers
vi

Translator English - Vietnamese

vùng nửa tối
80 millions of speakers

Translator English - Tamil

பெனும்ப்ரா
75 millions of speakers

Translator English - Marathi

पेनम्ब्रा
75 millions of speakers

Translator English - Turkish

yarı gölge
70 millions of speakers

Translator English - Italian

penombra
65 millions of speakers

Translator English - Polish

półcień
50 millions of speakers

Translator English - Ukrainian

півтінь
40 millions of speakers

Translator English - Romanian

penumbră
30 millions of speakers
el

Translator English - Greek

ημίφως
15 millions of speakers
af

Translator English - Afrikaans

penumbra
14 millions of speakers
sv

Translator English - Swedish

penumbra
10 millions of speakers
no

Translator English - Norwegian

penumbra
5 millions of speakers

Trends of use of penumbra

TRENDS

TENDENCIES OF USE OF THE TERM «PENUMBRA»

The term «penumbra» is quite widely used and occupies the 45.520 position in our list of most widely used terms in the English dictionary.
0
100%
FREQUENCY
Quite widely used
79
/100
The map shown above gives the frequency of use of the term «penumbra» in the different countries.
Principal search tendencies and common uses of penumbra
List of principal searches undertaken by users to access our English online dictionary and most widely used expressions with the word «penumbra».

FREQUENCY OF USE OF THE TERM «PENUMBRA» OVER TIME

The graph expresses the annual evolution of the frequency of use of the word «penumbra» during the past 500 years. Its implementation is based on analysing how often the term «penumbra» 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 penumbra

EXAMPLES

10 ENGLISH BOOKS RELATING TO «PENUMBRA»

Discover the use of penumbra in the following bibliographical selection. Books relating to penumbra and brief extracts from same to provide context of its use in English literature.
1
Mr. Penumbra's 24-Hour Bookstore: A Novel
With irresistible brio and dazzling intelligence, Robin Sloan has crafted a literary adventure story for the twenty-first century, evoking both the fairy-tale charm of Haruki Murakami and the enthusiastic novel-of-ideas wizardry of Neal ...
Robin Sloan, 2012
2
Mr. Penumbra's 24-Hour Bookstore
Evoking both the fairy-tale charm of Haruki Murakami and the enthusiastic novel-of-ideas wizardry of Neal Stephenson or Umberto Eco, Mr. Penumbra’s 24-Hour Bookstore is exactly what it sounds like—an establishment you have to enter and ...
Robin Sloan, 2012
3
Mr Penumbra's 24-hour Bookstore
This is a clever and whimsical tale with a big heart' The Economist Shortlisted for the LA Times Book Award for First Fiction.
Robin Sloan, 2012
4
The Ischemic Penumbra
The book also supplies an authoritative series of chapters individually focused on current imaging techniques to target the location and extent of the penumbra.
Geoffrey A. Donnan, Jean-Claude Baron, Stephen M. Davis, 2007
5
The Penumbra Unbound: The Neo-Taoist Philosophy of Guo Xiang
Explores the work of Guo Xiang, a Neo-Taoist thinker who developed a radical philosophy of freedom and spontaneity.
Brook Ziporyn, 2012
6
Penumbra
Jade Dupree is a beautician and an undertaker's assistant with a gift for smoothing the ravages of death from the faces of her clientele.
Carolyn Haines, 2011
7
The Physics of Radiation Therapy
Beam Collimation and Penumbra A collimator system is designed to vary the size and shape of the beam to meet the individual treatment requirements. The simplest form of a continuously adjustable diaphragm consists of two pairs of heavy ...
Faiz M. Khan, 2010
8
Principles of Dental Imaging
The fuzzy portion, or blur, of the shadow around the umbra (shadow) is called the penumbra or the area of unsharpness. To minimize the unsharpness of the light shadow, the penumbra must be reduced. The hand image can also be distorted ...
Olaf E. Langland, Robert P. Langlais, John W. Preece, 2002
9
Perez and Brady's Principles and Practice of Radiation Oncology
Isodose curves show the relative uniformity of the beams across the field at various depths, and also provide a graphical depiction of the width of the beam's penumbra region. M)Co teletherapy units exhibit a relatively large penumbra, and ...
Edward C. Halperin, Carlos A. Perez, Luther W. Brady, 2008
10
Clinical Radiation Oncology
This penumbra region is named for geometric shadowing of part of the source, as is the case for 60Co teletherapy beams, which have a large (2cm) physical source size. However, the penumbra region for linear accelerator beams is mostly a ...
Leonard L. Gunderson, Joel E. Tepper, M.d., 2007

10 NEWS ITEMS WHICH INCLUDE THE TERM «PENUMBRA»

Find out what the national and international press are talking about and how the term penumbra is used in the context of the following news items.
1
El Gamma Penumbra in ARMM's Eid al-Fitr feast
Special guests included shadow-dance group El Gamma Penumbra, this year's winner of the top-rating TV show Asia's Got Talent. «Philippine Star, Jul 15»
2
Court decision foreshadows more problems
The Constitution does not even mention marriage, let alone between gays, but by finding a so-called penumbra (not the astronomical kind) in ... «The Augusta Chronicle, Jul 15»
3
The Round Up: The right to die battle – last rites, or the long game?
Whether a Bill of Rights would continue to recognise prisoners as right-holders, not social penumbra, remains to be seen. Yet Dominic Raab's ... «UK Human Rights Blog, Jul 15»
4
The Stroller
Example: “When the moon passes into the penumbra, it darkens the surface of the moon, making it look as if a 'bite' has been taken from the ... «Martinsville Bulletin, Jul 15»
5
Penumbra's Summer Institute to Be AWAKE, AUTHENTIC and …
Penumbra's Summer Institute is a three-year leadership development program training young artists to critically engage the world around them ... «Broadway World, Jul 15»
6
Nick Punto Visits Twins in Anaheim; Enthusiasm Injuries at …
... of Punto's headfirst sliding area, according to Curry, but the penumbra of uncertainty in his path makes a 100% success rate near-impossible. «Twinkie Town, Jul 15»
7
A look at PowerVR's Ray Tracing GR6500 GPU
You can read all about the technical details in the official blog post, but the short of it is that the ray tracing and penumbra simulation method ... «Android Authority, Jul 15»
8
CardioBrief: Cardiologists in the Sunshine
The interventional device company Penumbra accounts for Harry Kopelman's $3.5 million and Nicholas Lembo's $2.7 million. TV's famous ... «MedPage Today, Jul 15»
9
El Gamma Penumbra performs for peace, environment in Cotabato …
COTABATO CITY (MindaNews/21 July) – Asia's Got Talent winner El Gamma Penumbra held everyone in awe with its show on Monday that ... «Minda News, Jul 15»
10
Three New Trials in Stroke: CADISS, VISSIT, and ATTEST
They performed diffusion rate imaging immediately before treatment in order to identify penumbra. Subsequently, they performed CT 24-48 ... «Medscape, Jul 15»

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