| Subject | English | French |
| el., construct. | available capacity of a hydro-installation | puissance électrique disponible d'un aménagement hydro-électrique |
| stat., el. | average hydro | hydraulicité moyenne |
| el., construct. | catchment area of a hydro-installation | bassin versant d'un ouvrage hydro-électrique |
| textile | centrifugal hydro-extractor | hydro-extracteur |
| textile | centrifugal hydro-extractor | essoreuse centrifuge |
| textile | centrifugal hydro-extractor | hydroextracteur |
| textile | centrifugal hydro-extractor | machine à essorer |
| earth.sc., mech.eng. | diesel hydro-mechanical locomotive | locomotive Diesel à transmission hydromécanique |
| earth.sc., mech.eng. | diesel hydro-mechanical locomotive | locomotive Diesel hydromécanique |
| energ.ind., construct. | energy capability factor of a hydro-region | indice de productibilité d'une région hydro-électrique |
| el. | energy capability of a hydro-electric power station | productibilité d'un aménagement hydro-electrique |
| el., construct. | energy capability of a hydro-installation | productibilité d'un aménagement hydro-électrique |
| energ.ind., chem., polit. | Euro-Quebec Hydro-Hydrogen Production Project | projet d'hydrocarbures Euro-Québec |
| energ.ind., chem., polit. | Euro-Quebec Hydro-Hydrogen Production Project | projet Euro-Québec Hydrohydrogène |
| energ.ind., chem., polit. | Euro-Quebec Hydro-Hydrogen project | projet Euro-Québec Hydrohydrogène |
| energ.ind., chem., polit. | Euro-Quebec Hydro-Hydrogen project | projet d'hydrocarbures Euro-Québec |
| energ.ind. | gross head of a hydro-electric power station | chute brute d'une centrale hydro-électrique |
| el., construct. | guaranteed flow downstream of a hydro-installation | débit réservé à l'aval d'un aménagement hydro-électrique |
| energ.ind. | helio-hydro-electric plant | centrale hélio-hydroélectrique |
| el., construct. | hydraulically available capacity of a hydro-installation | puissance électrique hydrauliquement disponible d'un aménagement hydro-électrique |
| met. | hydro-abrasion | sablage humide |
| UN, ecol. | hydro-absorbent soil conditioner | paillage au moyen de produits synthétiques biodégradables |
| construct. | hydro-accumulating power station | centrale hydro-électrique d'accumulation et conversion |
| gen. | hydro-agricultural improvement | aménagement hydro-agricole |
| agric. | hydro-agricultural improvement schemes | aménagements hydro-agricoles |
| chem. | hydro-alcoholic distillate | distillat hydroalcoolique |
| med. | hydro-appendix | appendicite séreuse |
| met. | hydro-blast | dessablage hydraulique |
| energ.ind., engl. | hydro-cracking | hydro-cracking |
| earth.sc. | hydro-dynamic modelling | modélisation hydrodynamique |
| transp., tech. | hydro-dynamic retarder | ralentisseur hydrodynamique |
| health. | hydro-electric bath | bain hydroélectrique |
| health. | hydro-electric bath | bain hydro-électrique |
| energ.ind. | hydro-electric generating station | centrale hydro-électrique |
| energ.ind. | hydro-electric generating station | usine hydro-électrique |
| energ.ind. | hydro-electric generating station | usine hydraulique |
| energ.ind. | hydro-electric generating station | installation hydro-électrique |
| energ.ind. | hydro-electric generating station | centrale hydraulique |
| med. | hydro-electric mono-electrode therapy | bain hydro-électrique à un élément |
| energ.ind. | hydro-electric plant | centrale hydraulique |
| energ.ind. | hydro-electric plant | usine hydraulique |
| energ.ind. | hydro-electric plant | installation hydro-électrique |
| energ.ind. | hydro-electric plant | centrale hydro-électrique |
| energ.ind. | hydro-electric plant | centrale hydroélectrique |
| energ.ind. | hydro-electric plant | usine hydro-électrique |
| el. | hydro-electric power | énergie hydro-électrique |
| tech. | hydro-electric power plant | centrale hydraulique |
| energ.ind. | hydro-electric power plant | centrale hydroélectrique |
| energ.ind., construct. | hydro-electric power potential | potentiel hydroélectrique |
| energ.ind. | hydro-electric power station | installation hydro-électrique |
| energ.ind. | hydro-electric power station | centrale hydroélectrique |
| energ.ind. | hydro-electric power station | centrale hydro-électrique |
| tech. | hydro-electric power station | centrale hydraulique |
| energ.ind. | hydro-electric power station | usine hydraulique |
| energ.ind. | hydro-electric power station | usine hydro-électrique |
| energ.ind. | hydro-electric project | projet d'aménagement hydroélectrique |
| life.sc., el. | hydro-electric resources | ressources hydro-électriques |
| stat., mater.sc. | hydro-electric set | groupe hydro-électrique |
| transp., energ.ind. | hydro-electric signal box | poste hydroélectrique |
| life.sc., el. | hydro-electric sources | ressources hydro-électriques |
| tech. | hydro-electric station | centrale hydraulique |
| med. | hydro-electric three-cell bath | bain hydro-électrique tricellulaire |
| energ.ind. | hydro-electric works | centrale hydraulique |
| energ.ind. | hydro-electric works | centrale hydro-électrique |
| energ.ind. | hydro-electric works | usine hydraulique |
| energ.ind. | hydro-electric works | installation hydro-électrique |
| energ.ind. | hydro-electric works | usine hydro-électrique |
| nat.res. | hydro-electricity generation | production d'hydroélectricité |
| nat.res. | hydro-electricity generation | production d'énergie hydroélectrique |
| nat.res. | hydro-electricity generation | production d'électricité à base d'énergie hydraulique |
| geogr. | Hydro electricy | Hydro éléctricité |
| med. | hydro-enterocele | hydrentérocèle |
| med. | hydro-epiplocele | hydro-épiplocèle |
| textile | hydro extracting | essorage |
| industr., construct., chem. | hydro-extracting | essorage |
| chem. | hydro-extractor | essoreuse centrifuge |
| chem. | hydro-extractor | essoreuse |
| tech., mech.eng. | hydro-flation valve | valve air-eau |
| met. | hydro-fluoric acid | acide fluorhydrique |
| min.prod., energ.ind., mining. | hydro-frac | fracturation hydraulique |
| min.prod., energ.ind., mining. | hydro-frac | hydrofracturation |
| min.prod., energ.ind., mining. | hydro-fracturing | fracturation hydraulique |
| min.prod., energ.ind., mining. | hydro-fracturing | hydrofracturation |
| tech., chem. | hydro-inflation | lestage à l'eau |
| el., construct. | hydro installation | aménagement hydro-électrique |
| life.sc. | hydro-isobaths | isobathes de la nappe phréatique |
| life.sc. | hydro-isobaths | hydro-isobathes |
| life.sc. | hydro-isopleth map | carte des isoplèthes de la nappe phréatique |
| transp. | hydro kinetic brake | frein hydrocinétique |
| transp. | hydro-mechanical governor | régulateur hydromécanique |
| transp. | hydro-mechanical transmission | boîte hydro-mécanique |
| earth.sc., construct. | hydro module | module d'arrosage |
| construct. | hydro-mulch grass seeding | engazonnement hydraulique par projection |
| construct. | hydro-mulch grass seeding | engazonnement par voie hydraulique |
| IT, environ., geogr. | hydro node | noeud hydrographique |
| med. | hydro-oligocythaemia | oligocythémie par hyperhydrémie |
| industr. | hydro-pneumatic accumulator | accumulateur hydropneumatique |
| energ.ind., mech.eng. | hydro-pneumatic device | bouée hydro-pneumatique de Belfast |
| energ.ind., mech.eng. | hydro-pneumatic device | houlomotrice à air de Belfast |
| tech., mech.eng. | hydro-pneumatic pump | pompe hydropneumatique |
| mech.eng. | hydro-pneumatic tool | outil hydropneumatique |
| energ.ind., mech.eng. | hydro-pneumatic wave power device | bouée hydro-pneumatique de Belfast |
| energ.ind., mech.eng. | hydro-pneumatic wave power device | houlomotrice à air de Belfast |
| environ., geogr. | hydro point of interest | point d'intérêt hydrographique |
| el. | hydro power | énergie hydraulique |
| gen. | hydro-power reserves | réserves hydrauliques |
| el., tech. | hydro power plant | centrale hydroélectrique |
| environ., energ.ind. | hydro-power reservoir | retenue d'ouvrage hydro-électrique |
| energ.ind. | hydro power station | usine hydro-électrique |
| energ.ind. | hydro power station | installation hydraulique |
| transp. | hydro-pulse machine | hydropulseur |
| tech., chem. | hydro-refining | raffinage par hydrogénation |
| el., construct. | hydro-region | région hydro-électrique |
| el. | hydro-rhéostat | rhéostat liquide |
| UN, ecol. | hydro-seeding | ensemencement par projection hydraulique |
| met. | hydro-separator | hydroséparateur |
| stat. | hydro stations'production | production des installations hydroélectriques |
| transp. | hydro-transportation | transport hydraulique |
| med. | hydro-ureter | urétérhydrose |
| med. | hydro-ureter | urétérohydrose |
| med. | hydro-ureter | hydruretère |
| med. | hydro-ureter | hydro-uretère |
| med. | hydro-ureternephrosis | hydronéphrose avec dilatation urétérale |
| med. | hydro-ureterosis | hydruretère |
| med. | hydro-ureterosis | hydro-uretère |
| med. | hydro-ureterosis | urétérhydrose |
| med. | hydro-ureterosis | urétérohydrose |
| law | iron hydro-oxides | hydroxydes de fer |
| agric., chem. | iron oxides and hydro-oxides | oxydes et hydroxydes de fer |
| energ.ind. | magneto-hydro-dynamic thermal power station | centrale MHD |
| el.gen. | magneto-hydro-dynamic thermal power station | centrale magnétohydrodynamique |
| energ.ind. | magneto-hydro-dynamic thermal power station | centrale magnéto-hydro-dynamique |
| el., construct. | maximum capacity of a hydro-installation | puissance électrique maximale possible d'un aménagement hydro-électrique |
| agric. | mini-hydro project | microprojet d'aménagement hydraulique |
| energ.ind. | mixed pumped hydro-electric power station | centrale hydraulique à pompage mixte |
| life.sc., el. | natural hydro-electric resources | ressources hydrauliques naturelles |
| energ.ind. | net head of a hydro-electric power station | chute nette d'une centrale hydro-électrique |
| environ. | non-ferrous hydro-metallurgy | déchets inorganiques contenant des métaux provenant du traitement et du revêtement des métaux,et de l'hydrométallurgie des métaux non ferreux |
| energ.ind. | Orissa Hydro Power Corporation | Société hydroélectrique de l'Orissa |
| mech.eng. | piston air-hydro pump | pompe à pistons à air et à eau |
| tech., el. | plant capacity flow of a hydro installation | débit maximal turbinable |
| tech., el. | plant capacity flow of a hydro installation | débit équipé d'un aménagement hydro-électrique |
| el., construct. | power produced by a hydro-installation | puissance électrique produite par un aménagement hydro-électrique |
| energ.ind. | pumped storage only hydro-electric power station | centrale hydraulique à pompage pur |
| el., construct. | reduction in capacity of a hydro-installation for hydraulic reasons | réduction de puissance électrique d'un aménagement hydro-électrique pour causes hydrauliques |
| environ., energ.ind. | run-of-river hydro-electric power station | centrale hydraulique au fil d'eau |
| energ.ind. | seasonal stockage hydro-electric power station | centrale hydraulique à stockage saisonnier |
| energ.ind. | short-term stockage hydro-electric power station | centrale hydraulique à stockage à court terme |
| mech.eng., el. | small hydro power plant | microcentrale hydraulique |
| mech.eng., el. | small hydro power plant | mini-centrale hydraulique |
| energ.ind. | small hydro power plant | centrale hydroélectrique de faible capacité |
| energ.ind. | small hydro power station | petite centrale hydro-électrique |
| pharma. | tatra-hydro-imidazoles imidazolthiazoles | tétra-hydro-imidazoles imidazolthiazoles |
| health. | tetra-hydro-imidazole | tétra-hydro-imidazole |
| chem., engl. | tetra-hydro-imidazole | imidazolthiazole |
| el., construct. | unavailability of hydro-capacity | indisponibilités de puissance hydro-électrique |
| el., construct. | unavailable capacity of a hydro-installation | puissance électrique indisponible d'un aménagement hydro-électrique |
| el., construct. | unavailable capacity of a hydro-installation for reasons other than hydraulic affecting the output to the system | puissance électrique indisponible d'un aménagement hydro-électrique avec répercussion |