adj · noun · verb · 13 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/ˈɛks ɹeɪ/
US:/ˈɛks ˌɹeɪ/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:EH1 K S R EY2
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Of or relating to X-rays.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Examples
I had to put my bags through an X-ray scanner at the airport.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A ray of short-wavelength electromagnetic radiation usually produced by bombarding a metal target in a vacuum. Used to create images of the internal structure of objects; this is possible because X-rays pass through most objects and can expose photographic film.
Definition source: English Wiktionary via Wiktextract
Examples
X-rays are light with a wavelength between 0.1 and 10 nm.
Meaning relationships
Synonyms: Röntgen radiation, Roentgen-ray
Antonyms: none provided
3
noun
Meaning 3
A radiograph: an image made with X-rays.
Definition source: English Wiktionary via Wiktextract
Examples
The doctor ordered some X-rays of my injured wrist.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
An X-ray machine, a machine for performing radiography.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
A tactical motif where a piece exerts influence or control over a square, piece, or line indirectly through another intervening piece.
Definition source: English Wiktionary via Wiktextract
Topics: board-games, chess, games
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
Alternative letter-case form of X-ray.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
verb
Meaning 7
To take a radiograph of; to obtain an image of using X-ray radiation, especially for the purpose of medical diagnostic evaluation.
Definition source: English Wiktionary via Wiktextract
Usage: informal, transitive
Examples
Of course there was nothing wrong with my left wrist. They X-rayed the wrong arm!
1925, Sidney Coe Howard, They Knew What They Wanted (Doubleday, Page and Company), Act II, page 116. Both legs broken in the morning. Tibia, fibula, femur, and ischium. X-rayed and set inside of an hour after the accident.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
verb
Meaning 8
Of a piece, to exert indirect influence, by either attacking, defending, or controlling an opponent's or friendly piece through an intervening piece along a rank, file, or diagonal.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Topics: board-games, chess, games
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
verb
Meaning 9
Alternative letter-case form of X-ray.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
noun
Meaning 10
a radiogram made by exposing photographic film to X rays; used in medical diagnosis
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: roentgenogram, X ray, X-ray picture, X-ray photograph
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: examine, see
History
Etymology
From X + ray, a calque of German X-Strahl, coined by Wilhelm Röntgen upon his discovery of the rays in 1895, where X signifies their unknown nature. The chess sense is metaphorical, referring to control passing through a seemingly solid barrier.
Across languages
Translations
238 source translations are retained for this English entry.
Hungarian:
röntgen
— of or having to do with X-rays
Icelandic:
röntgen-
— of or having to do with X-rays
Irish:
X-ghathach
— of or having to do with X-rays
Italian:
radiografico
— of or having to do with X-rays
Polish:
rentgenowski
— of or having to do with X-rays
Russian:
рентге́новский
(rentgénovskij)
— of or having to do with X-rays
Albanian:
rreze X
— short wavelength electromagnetic radiation
Arabic:
أَشِعَّة إِكْس
(ʔašiʕʕat ʔeks)
— short wavelength electromagnetic radiation
Arabic:
أَشِعَّة سِينِيَّة
(ʔašiʕʕa siniyya)
— short wavelength electromagnetic radiation
Armenian:
ռենտգենյան ճառագայթ
(ṙentgenyan čaṙagaytʻ)
— short wavelength electromagnetic radiation
Azerbaijani:
rentgen şüaları
— short wavelength electromagnetic radiation
Belarusian:
рэнтге́н
(renthjén)
— short wavelength electromagnetic radiation
Belarusian:
рэнтге́наўскі праме́нь
(renthjénawski pramjénʹ)
— short wavelength electromagnetic radiation
Bulgarian:
ре́нтген
(réntgen)
— short wavelength electromagnetic radiation
Bulgarian:
ре́нтгенов лъч
(réntgenov lǎč)
— short wavelength electromagnetic radiation
Burmese:
အိတ်ဇ်ရေး
(itjre:)
— short wavelength electromagnetic radiation
Burmese:
ဓာတ်မှန်
(dhathman)
— short wavelength electromagnetic radiation
Catalan:
raig X
— short wavelength electromagnetic radiation
Chinese Cantonese:
X光
(iks1 gwong1, ik1 si4 gwong1)
— short wavelength electromagnetic radiation
Chinese:
рентген
(riəntgiən)
— short wavelength electromagnetic radiation
Chinese:
гуонщян
(guonxian)
— short wavelength electromagnetic radiation
Chinese:
X光線 /X光线
(X kng-soàn)
— short wavelength electromagnetic radiation
Chinese Mandarin:
艾克斯射線 /艾克斯射线
(àikèsī shèxiàn)
— short wavelength electromagnetic radiation
Chinese Mandarin:
愛克斯射線 /爱克斯射线
(àikèsī shèxiàn)
— short wavelength electromagnetic radiation
Chinese Mandarin:
X射線 /X射线
(X shèxiàn)
— short wavelength electromagnetic radiation
Chinese Mandarin:
X光
(X guāng)
— short wavelength electromagnetic radiation
Chinese Mandarin:
愛克斯光 /爱克斯光
(àikèsī guāng)
— short wavelength electromagnetic radiation
Cornish:
dewyn X
— short wavelength electromagnetic radiation
Cornish:
golowyn X
— short wavelength electromagnetic radiation
Czech:
rentgen
— short wavelength electromagnetic radiation
Czech:
rentgenové záření
— short wavelength electromagnetic radiation
Czech:
rentgenový paprsek
— short wavelength electromagnetic radiation
Danish:
røntgenstråle
— short wavelength electromagnetic radiation
Dutch:
röntgenstraal
— short wavelength electromagnetic radiation
Esperanto:
ikso-radioj
— short wavelength electromagnetic radiation
Esperanto:
rentgena radiado
— short wavelength electromagnetic radiation
Esperanto:
x-radiado
— short wavelength electromagnetic radiation
Estonian:
röntgenikiir
— short wavelength electromagnetic radiation
Estonian:
röntgen
— short wavelength electromagnetic radiation
Finnish:
röntgensäteily
— short wavelength electromagnetic radiation
French:
rayon X
— short wavelength electromagnetic radiation
French:
rayon Röntgen
— short wavelength electromagnetic radiation
Galician:
raios X
— short wavelength electromagnetic radiation
Georgian:
რენტგენის სხივი
(renṭgenis sxivi)
— short wavelength electromagnetic radiation
German:
Röntgenstrahl
— short wavelength electromagnetic radiation
Greek:
ακτίνα Χ
(aktína Ch)
— short wavelength electromagnetic radiation
Greek:
ακτινοβολία Χ
(aktinovolía Ch)
— short wavelength electromagnetic radiation
Gujarati:
ક્ષ-કિરણ
(kṣa-kiraṇ)
— short wavelength electromagnetic radiation
Hebrew:
קַרנֵי רֶנְטְגֶן
(karné réntgen)
— short wavelength electromagnetic radiation
Hindi:
एक्स-रे
(eks-re)
— short wavelength electromagnetic radiation
Hindi:
क्ष-किरण
(kṣ-kiraṇ)
— short wavelength electromagnetic radiation
Hungarian:
röntgensugárzás
— short wavelength electromagnetic radiation
Hungarian:
röntgensugár
— short wavelength electromagnetic radiation
Indonesian:
ronsen
— short wavelength electromagnetic radiation
Indonesian:
rontgen
— short wavelength electromagnetic radiation
Indonesian:
sinar-X
— short wavelength electromagnetic radiation
Indonesian:
radiasi-X
— short wavelength electromagnetic radiation
Interlingua:
rayos röntgen
— short wavelength electromagnetic radiation
Irish:
X-gha
— short wavelength electromagnetic radiation
Italian:
raggi X
— short wavelength electromagnetic radiation
Japanese:
X線
(ekkusu sen)
— short wavelength electromagnetic radiation
Japanese:
エックス線
(ekkusu sen)
— short wavelength electromagnetic radiation
Japanese:
レントゲン
(rentogen)
— short wavelength electromagnetic radiation
Kazakh:
рентген
(rentgen)
— short wavelength electromagnetic radiation
Kazakh:
рентген сәулесі
(rentgen säulesı)
— short wavelength electromagnetic radiation
Khmer:
កាំរស្មី X
(kamrĕəʼsməyX)
— short wavelength electromagnetic radiation
Khmer:
កាំរស្មីអ៊ិច
(kamrĕəʼsməy ʼɨc)
— short wavelength electromagnetic radiation
Korean:
X선
(ekseuseon)
— short wavelength electromagnetic radiation
Korean:
엑스선
(ekseuseon)
— short wavelength electromagnetic radiation
Korean:
X레이
(ekseurei)
— short wavelength electromagnetic radiation
Korean:
엑스레이
(ekseurei)
— short wavelength electromagnetic radiation
Korean:
뢴트겐
(roenteugen)
— short wavelength electromagnetic radiation
Kyrgyz:
рентген
(rentgen)
— short wavelength electromagnetic radiation
Kyrgyz:
рентген нуру
(rentgen nuru)
— short wavelength electromagnetic radiation
Kyrgyz:
рентген нурлары
(rentgen nurları)
— short wavelength electromagnetic radiation
Latvian:
rentgens
— short wavelength electromagnetic radiation
Latvian:
rentgena stari
— short wavelength electromagnetic radiation
Lithuanian:
rentgenas
— short wavelength electromagnetic radiation
Macedonian:
рендгенски зрак
(rendgenski zrak)
— short wavelength electromagnetic radiation
Macedonian:
рендген
(rendgen)
— short wavelength electromagnetic radiation
Malay:
sinar-X
— short wavelength electromagnetic radiation
Malay:
X-ray
— short wavelength electromagnetic radiation
Central Melanau:
X-ray
— short wavelength electromagnetic radiation
Norwegian Bokmål:
røntgenstråle
— short wavelength electromagnetic radiation
Norwegian Nynorsk:
røntgenstråle
— short wavelength electromagnetic radiation
Occitan:
rai X
— short wavelength electromagnetic radiation