noun · verb · 14 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.
/ˈdaɪəˌfɹæm/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:D AY1 AH0 F R AE2 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs.
Definition source: English Wiktionary via Wiktextract
Topics: anatomy, medicine, sciences
Examples
thoracic diaphragm
pulmonary diaphragm
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Any of various membranes or sheets of muscle or ligament which separate one cavity from another.
Definition source: English Wiktionary via Wiktextract
Topics: anatomy, medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A contraceptive device consisting of a flexible cup, used to cover the cervix during intercourse.
Definition source: English Wiktionary via Wiktextract
Examples
cervical diaphragm
contraceptive diaphragm
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: contraceptive, device
4
noun
Meaning 4
A flexible membrane separating two chambers and fixed around its periphery that distends into one or other chamber as the difference in the pressure in the chambers varies.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
noun
Meaning 8
A floor slab, metal wall panel, roof panel or the like, having a sufficiently large in-plane shear stiffness and sufficient strength to transmit horizontal forces to resisting systems.
Definition source: English Wiktionary via Wiktextract
Topics: business, construction, manufacturing
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
verb
Meaning 9
To reduce lens aperture using an optical diaphragm.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
verb
Meaning 10
To act as a diaphragm, for example by vibrating.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
11
noun
Meaning 11
a mechanical device in a camera that controls size of aperture of the lens
Definition source: Princeton WordNet 3.0
Examples
the new cameras adjust the diaphragm automatically
Meaning relationships
Synonyms: stop
Antonyms: none provided
Broader terms: mechanical device
Narrower terms: iris, iris diaphragm
12
noun
Meaning 12
electro-acoustic transducer that vibrates to receive or produce sound waves
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: disk, disc
13
noun
Meaning 13
a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: midriff
Antonyms: none provided
Broader terms: membrane, tissue layer, muscular structure, musculature, muscle system
History
Etymology
From Middle English diafragma, Ancient Greek διάφραγμα (diáphragma, “partition”), from διά (diá, “across”) and φράγμα (phrágma, “barrier”), from the verb φράσσω (phrássō). First attested in the late 14th century.
Across languages
Translations
178 source translations are retained for this English entry.
Albanian:
diafragmë
— anatomy: sheet of muscle separating thorax from abdomen
Southern Altai:
буур эт
(buur et)
— anatomy: sheet of muscle separating thorax from abdomen
Arabic:
حِجَاب حَاجِز
(ḥijāb ḥājiz)
— anatomy: sheet of muscle separating thorax from abdomen
Arabic:
حجاب حاجز
(ḥegāb ḥāgez)
— anatomy: sheet of muscle separating thorax from abdomen
Aramaic:
ܚܸܠܒܹ̈ܐ
(ḥelbā)
— anatomy: sheet of muscle separating thorax from abdomen
Assyrian Neo-Aramaic:
ܦܲܪܢܘܿܣ
(parnōs)
— anatomy: sheet of muscle separating thorax from abdomen
Assyrian Neo-Aramaic:
ܚܵܙܘܿܩܵܐ ܒܝܲܡܵܐ
(ḥāzōqā byammā)
— anatomy: sheet of muscle separating thorax from abdomen
Armenian:
ստոծանի
(stocani)
— anatomy: sheet of muscle separating thorax from abdomen
Azerbaijani:
diafraqma
— anatomy: sheet of muscle separating thorax from abdomen
Belarusian:
дыяфра́гма
(dyjafráhma)
— anatomy: sheet of muscle separating thorax from abdomen
Bulgarian:
диафра́гма
(diafrágma)
— anatomy: sheet of muscle separating thorax from abdomen
Catalan:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Chinese Mandarin:
橫膈膜 /横膈膜
(hénggémó)
— anatomy: sheet of muscle separating thorax from abdomen
Czech:
bránice
— anatomy: sheet of muscle separating thorax from abdomen
Danish:
mellemgulv
— anatomy: sheet of muscle separating thorax from abdomen
Dutch:
middenrif
— anatomy: sheet of muscle separating thorax from abdomen
Esperanto:
diafragmo
— anatomy: sheet of muscle separating thorax from abdomen
Estonian:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Estonian:
vahelihas
— anatomy: sheet of muscle separating thorax from abdomen
Faroese:
tind
— anatomy: sheet of muscle separating thorax from abdomen
Finnish:
pallea
— anatomy: sheet of muscle separating thorax from abdomen
French:
diaphragme
— anatomy: sheet of muscle separating thorax from abdomen
Georgian:
დიაფრაგმა
(diapragma)
— anatomy: sheet of muscle separating thorax from abdomen
Georgian:
შუასაძგიდი
(šuasaʒgidi)
— anatomy: sheet of muscle separating thorax from abdomen
German:
Zwerchfell
— anatomy: sheet of muscle separating thorax from abdomen
Greek:
διάφραγμα
(diáfragma)
— anatomy: sheet of muscle separating thorax from abdomen
Ancient Greek:
διάφραγμα
(diáphragma)
— anatomy: sheet of muscle separating thorax from abdomen
Hindi:
मध्यपट
(madhyapaṭ)
— anatomy: sheet of muscle separating thorax from abdomen
Hindi:
तनुपट
(tanupaṭ)
— anatomy: sheet of muscle separating thorax from abdomen
Hindi:
मध्यच्छद
(madhyacchad)
— anatomy: sheet of muscle separating thorax from abdomen
Hungarian:
rekeszizom
— anatomy: sheet of muscle separating thorax from abdomen
Icelandic:
þind
— anatomy: sheet of muscle separating thorax from abdomen
Indonesian:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Ingrian:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Ingrian:
verikammari
— anatomy: sheet of muscle separating thorax from abdomen
Inuktitut:
ᑲᓂᕙᐅᑎ
(kanivauti)
— anatomy: sheet of muscle separating thorax from abdomen
Irish:
scairt
— anatomy: sheet of muscle separating thorax from abdomen
Italian:
diaframma
— anatomy: sheet of muscle separating thorax from abdomen
Japanese:
横隔膜
(ōkakumaku)
— anatomy: sheet of muscle separating thorax from abdomen
Kazakh:
көкет
(köket)
— anatomy: sheet of muscle separating thorax from abdomen
Korean:
횡격막
(hoenggyeongmak)
— anatomy: sheet of muscle separating thorax from abdomen
Korean:
가로막
(garomak)
— anatomy: sheet of muscle separating thorax from abdomen
Central Kurdish:
ناوپەنچِک
(nawpençik)
— anatomy: sheet of muscle separating thorax from abdomen
Northern Kurdish:
navpençik
— anatomy: sheet of muscle separating thorax from abdomen
Kyrgyz:
диафрагма
(diafragma)
— anatomy: sheet of muscle separating thorax from abdomen
Latin:
praecordia
— anatomy: sheet of muscle separating thorax from abdomen
Latvian:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Lithuanian:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Macedonian:
дијафра́гма
(dijafrágma)
— anatomy: sheet of muscle separating thorax from abdomen
Malay:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Māori:
pātūpoho
— anatomy: sheet of muscle separating thorax from abdomen
Central Melanau:
neb
— anatomy: sheet of muscle separating thorax from abdomen
Khiamniungan Naga:
sākhīap
— anatomy: sheet of muscle separating thorax from abdomen
Navajo:
acháshjish
— anatomy: sheet of muscle separating thorax from abdomen
Norwegian Bokmål:
mellomgolv
— anatomy: sheet of muscle separating thorax from abdomen
Norwegian Bokmål:
mellomgulv
— anatomy: sheet of muscle separating thorax from abdomen
Norwegian Nynorsk:
mellomgolv
— anatomy: sheet of muscle separating thorax from abdomen
Old English:
midhriðre
— anatomy: sheet of muscle separating thorax from abdomen
Old English:
midhrif
— anatomy: sheet of muscle separating thorax from abdomen
Pashto:
زنخول
(zanxwál)
— anatomy: sheet of muscle separating thorax from abdomen
Persian:
دیافراگم
(diyâfrâgm)
— anatomy: sheet of muscle separating thorax from abdomen
Persian:
میانبند
(miyânband)
— anatomy: sheet of muscle separating thorax from abdomen
Persian:
پرده حاجز
(parde-ye hājez)
— anatomy: sheet of muscle separating thorax from abdomen
Polish:
przepona
— anatomy: sheet of muscle separating thorax from abdomen
Portuguese:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Romanian:
diafragmă
— anatomy: sheet of muscle separating thorax from abdomen
Russian:
диафра́гма
(diafrágma)
— anatomy: sheet of muscle separating thorax from abdomen
Serbo-Croatian:
прѐчага
— anatomy: sheet of muscle separating thorax from abdomen
Serbo-Croatian:
о̀шит
— anatomy: sheet of muscle separating thorax from abdomen
Serbo-Croatian:
дијафра̀гма
— anatomy: sheet of muscle separating thorax from abdomen
Serbo-Croatian:
prèčaga
— anatomy: sheet of muscle separating thorax from abdomen
Serbo-Croatian:
òšit
— anatomy: sheet of muscle separating thorax from abdomen
Serbo-Croatian:
dijafràgma
— anatomy: sheet of muscle separating thorax from abdomen
Slovak:
bránica
— anatomy: sheet of muscle separating thorax from abdomen
Slovak:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Slovene:
prepona
— anatomy: sheet of muscle separating thorax from abdomen
Slovene:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Spanish:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Swedish:
mellangärde
— anatomy: sheet of muscle separating thorax from abdomen
Swedish:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Tagalog:
lamang-tabing
— anatomy: sheet of muscle separating thorax from abdomen
Tajik:
диафрагма
(diafragma)
— anatomy: sheet of muscle separating thorax from abdomen
Thai:
กะบังลม
(gà-bang-lom)
— anatomy: sheet of muscle separating thorax from abdomen
Turkish:
diyafram
— anatomy: sheet of muscle separating thorax from abdomen
Ukrainian:
діафра́гма
(diafráhma)
— anatomy: sheet of muscle separating thorax from abdomen
Uzbek:
diafragma
— anatomy: sheet of muscle separating thorax from abdomen
Vietnamese:
cơ hoành
— anatomy: sheet of muscle separating thorax from abdomen
Volapük:
ditavöl
— anatomy: sheet of muscle separating thorax from abdomen
Welsh:
llengig
— anatomy: sheet of muscle separating thorax from abdomen
Bulgarian:
мембра́на
(membrána)
— anatomy: separating membrane or sheet of muscle
Finnish:
kalvo
— anatomy: separating membrane or sheet of muscle
Hindi:
मध्यपट
(madhyapaṭ)
— anatomy: separating membrane or sheet of muscle
Macedonian:
мембра́на
(membrána)
— anatomy: separating membrane or sheet of muscle
Russian:
мембра́на
(membrána)
— anatomy: separating membrane or sheet of muscle
Swahili:
kiwambo
— anatomy: separating membrane or sheet of muscle