| Subject | English | Portuguese |
| med. | Albers=Schoenberg diaphragm | diafragma de Albers-Schoenberg |
| therm.energ. | aperture diaphragm | diafragma de abertura |
| life.sc. | aperture diaphragm | abertura de diafragma |
| el. | asbestos diaphragm | diafragma de amianto |
| transp. | ballonnet diaphragm | diafragma de balonete |
| med. | Bishop Harman diaphragm test | teste de diafragma de Bishop Harman |
| med. | Bishop Harman diaphragm test | teste de Bishop-Harman |
| health. | Bucky diaphragm | diafragma de Potter-Bucky |
| gen. | central tendon of diaphragm | centro tendinoso |
| health. | collimating diaphragm | diafragmade colimação |
| mech.eng. | compressor diaphragm | diafragma compressor |
| earth.sc. | condensing diaphragm | diafragma condensador |
| med. | costal part of diaphragm | porção costal do diafragma |
| earth.sc. | diaphragm adjusting lever | alavanca reguladora do diafragma |
| agric., mech.eng. | diaphragm and piston pulsators of the milking machine are driven pneumatically | os vibradores de membrana e distribuidor da ordenha mecânica são de comando pneumático |
| el. | diaphragm aperture | diagrama de abertura |
| chem., el. | diaphragm assembly bellows | câmara medidora de membrana |
| mech.eng. | diaphragm carburettor | carburador de diafragma |
| commun. | diaphragm case | cápsula |
| environ. | diaphragm cell | célula de diafragma |
| construct. | diaphragm cellular coffer dam | ensecadeira celular tipo diafragma |
| earth.sc., mech.eng. | diaphragm compressor | compressor de membrana |
| chem., el. | diaphragm disk | placa da membrana |
| waste.man., ecol., chem. | diaphragm filtration | separação por membranas |
| waste.man., ecol., chem. | diaphragm filtration | filtração por membrana |
| chem. | diaphragm filtration unit | unidade de filtragem por membrana |
| chem. | diaphragm filtration unit | unidade de filtragem por diafragma |
| earth.sc., tech. | diaphragm float | flutuador a diafragma |
| gen. | diaphragm for television camera | diafragma para aparelho de tomada de vistas para televisão |
| industr., construct., chem. | diaphragm gate | porta em forma de disco |
| el. | diaphragm gland | bucim de diafragma |
| tech., mech.eng. | diaphragm manometer | manómetro de membrana |
| tech. | diaphragm meter | contador de compartimentos extensíveis |
| el. | diaphragm metering pump | bomba para medição do diafragma |
| construct. | diaphragm performance floor | pavimento que funciona em diafragma |
| earth.sc., mech.eng. | diaphragm pressure control valve | válvula reguladora de pressão de membrana |
| nucl.phys., mech.eng. | diaphragm pressure disc | disco compressor do diafragma |
| nucl.phys. | diaphragm pressure disc support | suporte tipo grelha |
| nucl.phys. | diaphragm pressure disc support | suporte do disco compressor do diafragma |
| mech.eng. | diaphragm pump | bomba de membrana |
| mech.eng. | diaphragm pump | bomba de diafragma |
| med. | diaphragm reflex | reflexo diafragmático |
| agric. | diaphragm regulator | regulador de membrana |
| el. | diaphragm retaining ring | círculo de retenção do diafragma |
| el. | diaphragm retaining ring | anel de retenção do diafragma |
| transp. | diaphragm seal | retentor de diafragma |
| med. | diaphragm spectacles | diafragmalgia |
| chem. | diaphragm type chemical feed pump | bomba de alimentação química do tipo diafragma |
| mech.eng. | diaphragm type cylinder | cilindro de diagrama |
| chem., el. | diaphragm type pressure gauge | manómetro de membrana |
| tech. | diaphragm type pressure measuring system | sistema para medição da pressão do tipo diafragma |
| gen. | diaphragm valve | válvula de membrana |
| earth.sc., mech.eng. | diaphragm valve | válvula de disco |
| gen. | diaphragm valve | válvula de diafragma |
| life.sc., construct. | diaphragm wall | membrana estanque |
| construct. | diaphragm wall | parede moldada |
| mech.eng. | diaphragm washer | disco da membrana |
| gen. | diaphragms for scientific apparatus | membranas para aparelhos científicos |
| cultur., earth.sc. | double slot diaphragm | diafragma de lâmina |
| med. | duodenal diaphragm | diafragma duodenal |
| mech.eng. | fireproof diaphragm | divisória à prova de fogo |
| transp. | fireproof diaphragm | diafragma à prova de fogo |
| med. | Hess diaphragm reflex | reflexo diafragmático de Hess |
| mech.eng. | insulating diaphragm | junta isolante |
| med. | intermediate crus of diaphragm | segundo pilar do diafragma |
| med. | intermediate crus of diaphragm | pilar acessório do diafragma |
| med. | iris diaphragm | diafragma íris |
| nat.sc., agric. | Knapsack sprayer with diaphragm pump | pulverizador de dorso com bomba de membrana |
| med. | laryngeal diaphragm | diafragma laríngeo |
| med. | lateral crus of diaphragm | parte externa da porção vertebral do diafragma (crus laterale diaphragmatis) |
| med. | left crus of diaphragm | pilar esquerdo do diafragma |
| health. | light-beam diaphragm | localizador luminoso |
| health. | light-beam diaphragm | diafragma do campo de imagem |
| health. | light-beam diaphragm | diafragma luminoso |
| med. | medial crus of diaphragm | primeiro pilar do diafragma (crus mediale diaphragmatis) |
| med. | medial crus of diaphragm | pilar principal do diafragma (crus mediale diaphragmatis) |
| chem. | metal diaphragm | membrana metálica |
| earth.sc. | multiple diaphragm | membrana múltipla |
| transp., mech.eng. | nozzle diaphragm | diafragma de tubeira |
| mater.sc., coal. | paper diaphragm | diafragma de papel |
| med. | pelvic diaphragm | diafragma pélvico |
| health., anim.husb. | pillar of the diaphragm | pilar do diafragma (crus diaphragmatis) |
| agric. | piston-diaphragm pump | bomba de êmbolo-membrana |
| health., agric., anim.husb. | point of reflection of the diaphragm | ponto de incidência do diafragma |
| nat.sc. | point of reflection of the diaphragm | ponto de reflexão do diafrágma |
| med. | postal diaphragm | diafragma posterior |
| health. | Potter-Bucky diaphragm | grelha antidifusora |
| health. | Potter-Bucky diaphragm | diafragma de Potter-Bucky |
| gen. | pump diaphragms | membranas de bombas |
| med. | right crus of diaphragm | pilar direito do diafragma |
| health. | rotary diaphragm | diafragma rotatório |
| health. | rotary diaphragm | diafragma rotativo |
| med. | rupture of diaphragm | rutura diafragmática |
| earth.sc. | single diaphragm | membrana simples |
| gen. | slit diaphragm | diafragma de fenda |
| cultur., earth.sc. | spherical aberration caused by large diaphragm aperture | distorção |
| agric. | sprayer with diaphragm pump | pulverizador de bomba de membrana |
| agric. | sprayer with diaphragm pump | pulverizador de bomba de diafragma |
| environ. | the X-ray beam is collimated by a diaphragm | o feixe de raios X é colimado por um diafragma |
| earth.sc., industr., construct. | twin diaphragm | duplo diafragma |
| earth.sc., industr., construct. | twin diaphragm | diafragma duplo |
| construct. | upstream diaphragm | cortina |
| construct. | upstream diaphragm | membrana |
| construct. | upstream diaphragm | revestimento |
| construct. | upstream diaphragm | cortina estanque |
| med. | urogenital diaphragm | diafragma urogenital |
| med. | vertebral part of the diaphragm | pilares do diafragma |
| chem., el. | water diaphragm | diafragma da válvula automática |
| transp., construct. | watertight diaphragm | cortina de estanqueidade |