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diaphragm . In DICTIOUS you will not only get to know all the dictionary meanings for the word
diaphragm , but we will also tell you about its etymology, its characteristics and you will know how to say
diaphragm in singular and plural. Everything you need to know about the word
diaphragm you have here. The definition of the word
diaphragm will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
diaphragm , as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Etymology
From Ancient Greek διάφραγμα ( diáphragma , “ partition ” ) , from διά ( diá , “ across ” ) and φράγμα ( phrágma , “ barrier ” ) , from the verb φράσσω ( phrássō ) .
Pronunciation
IPA (key ) : /ˈdaɪəˌfɹæm/
Audio (Southern England) (file )
Noun
diaphragm (plural diaphragms )
( anatomy ) 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 ; also called thoracic diaphragm.
( anatomy ) Any of various membranes or sheets of muscle or ligament which separate one cavity from another.
A contraceptive device consisting of a flexible cup , used to cover the cervix during intercourse .
( mechanics ) 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.
( acoustics ) In a speaker , the thin, semi-rigid membrane which vibrates to produce sound.
( optics , photography ) A thin opaque structure with a central aperture , used to limit the passage of light into a camera or similar device.
( chemistry ) A permeable or semipermeable membrane .
1921 , Wilder Dwight Bancroft, Applied Colloid Chemistry: General Theory , page 207 :The mass of liquid transported through a porous diaphragm in a given time is directly proportional to the current.
( construction ) 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.
Derived terms
Translations
anatomy: sheet of muscle separating thorax from abdomen
Albanian: diafragmë (sq) f
Arabic: حِجَابٌ حَاجِز m ( ḥijābun ḥājiz )
Egyptian Arabic: حجاب حاجز m ( ḥegāb ḥāgez )
Armenian: ստոծանի (hy) ( stocani )
Azerbaijani: diafraqma
Belarusian: дыяфра́гма f ( dyjafráhma )
Bulgarian: диафра́гма f ( diafrágma )
Catalan: diafragma (ca) m
Central Melanau: neb
Chinese:
Mandarin: 橫膈膜 / 横膈膜 (zh) ( hénggémó )
Czech: bránice (cs) f
Danish: mellemgulv n
Dutch: middenrif (nl) n
Esperanto: diafragmo
Estonian: diafragma , vahelihas
Faroese: tind f
Finnish: pallea (fi)
French: diaphragme (fr) m
Georgian: დიაფრაგმა ( diapragma ) , შუასაძგიდი ( šuasaʒgidi )
German: Zwerchfell (de) n
Greek: διάφραγμα (el) n ( diáfragma )
Ancient: διάφραγμα n ( diáphragma )
Hindi: मध्यपट m ( madhyapaṭ )
Hungarian: rekeszizom (hu)
Icelandic: þind (is) f
Indonesian: diafragma (id)
Italian: diaframma (it) m
Japanese: 横隔膜 (ja) ( おうかくまく, ōkakumaku )
Kazakh: көкет ( köket )
Korean: 횡격막(橫膈膜) (ko) ( hoenggyeongmak )
Kurdish:
Central Kurdish: ناوپەنچِک (ckb) ( nawpençik )
Northern Kurdish: navpençik f
Kyrgyz: диафрагма ( diafragma )
Latin: praecordia n pl
Latvian: diafragma f
Lithuanian: diafragma f
Macedonian: дијафра́гма f ( dijafrágma )
Malay: diafragma
Maori: pātūpoho
Navajo: acháshjish
Norwegian:
Bokmål: mellomgolv (no) n , mellomgulv n
Nynorsk: mellomgolv n
Old English: midhriðre n , midhrif m
Persian: دیافراگم (fa) ( diyâfrâgm )
Polish: przepona (pl) f
Portuguese: diafragma (pt) m
Romanian: diafragmă (ro) f
Russian: диафра́гма (ru) f ( diafrágma )
Serbo-Croatian:
Cyrillic: прѐчага f , о̀шит m , дијафра̀гма f
Roman: prèčaga (sh) f , òšit (sh) m , dijafràgma (sh) f
Slovak: bránica (sk) f
Slovene: prepona f , diafragma (sl) f
Spanish: diafragma (es) m
Swedish: mellangärde (sv) n , diafragma (sv) c
Tagalog: lamang-tabing
Tajik: диафрагма ( diafragma )
Thai: กะบังลม (th) ( gà-bang-lom )
Turkish: diyafram (tr)
Ukrainian: діафра́гма f ( diafráhma )
Uzbek: diafragma (uz)
Vietnamese: cơ hoành
Volapük: ditavöl
Welsh: llengig m
anatomy: separating membrane or sheet of muscle
mechanics: flexible membrane
acoustics: vibrating membrane in a speaker
optics: structure with a central aperture used to limit the passage of light
chemistry: permeable or semipermeable membrane
construction: stiff floor slab etc.
Translations to be checked
Verb
diaphragm (third-person singular simple present diaphragms , present participle diaphragming , simple past and past participle diaphragmed )
( optics , photography ) To reduce lens aperture using an optical diaphragm.
1870 , D. Appleton & Co., Appletons' Annual Cyclopædia and Register of Important Events of the Year 1869 , page 43 :He employs an equatorial with an object-glass having a focal length of five metres, and which was diaphragmed down to eight centimetres.
To act as a diaphragm, for example by vibrating .
1996 , Tom Drozda et al. , Tool and Manufacturing Engineers Handbook, vol. VIII: Plastic Part Manufacturing , →ISBN , page 16-24 :The holes and burning are caused by the part diaphragming at 20000-40000 cycles/second.
Translations
optics: to reduce lens aperture
Gallery
The thoracic diaphragm .
A mechanical diaphragm .
An acoustic diaphragm .