| Subject | English | French |
| food.ind. | cheese made from sour milk | fromage au lait aigre |
| milk. | cultured sour cream | crème aigre de culture |
| med. | flat sour | germe aérobie |
| food.ind., sec.sys. | flat sour | acidification sans bombage |
| health. | flat sour | surissement sans bombage |
| med. | flat sour | bactérie aérobie |
| food.ind., sec.sys. | flat sour spoilage | acidification sans bombage |
| health. | flat sour spoilage | surissement sans bombage |
| pest.contr. | green ring mottle or sour cherry | marbrure annulaire verte du griottier |
| fish.farm. | herring in sour cream sauce | hareng à la crème |
| gen. | it's a case of sour grapes | ils sont trop verts (La Fontaine - allusion) |
| agric. | sour bean | fève sure |
| agric. | sour cherries | cerises acides |
| agric. | sour cherries | griottes |
| nat.res., agric., food.ind. | sour cherry | cerise acide |
| life.sc., agric. | sour cherry | cerisier acide (Prunus cerasus, Cerasus vulgaris) |
| nat.res., agric., food.ind. | sour cherry | cerise aigre |
| agric. | sour cherry | griotte |
| bot. | sour cherry tree | griottier Prunus cerasus, Cerasus acida |
| nat.sc., agric. | sour cherry tree | griottier (Cerasus vulgaris, Prunus cerasus) |
| nat.sc., agric. | sour cherry tree | cerisier à fruits acides (Cerasus vulgaris, Prunus cerasus) |
| bot. | sour cherry tree | cerisier acide Prunus cerasus, Cerasus acida |
| agric. | sour cherry tree | cerisier acide (Prunus cerasus) |
| pest.contr. | sour cherry yellows | jaunisse du griottier |
| agric. | sour cream | crème aigre |
| agric. | sour cream | crème acide |
| agric. | sour cream butter | beurre fabriqué à partir de crème acide |
| agric. | sour cream butter | beurre de crème acidifiée |
| vet.med. | sour crop | muguet Candida albicans |
| nat.sc., agric. | sour crop | inflammation du jabot |
| tech., coal. | sour crude | brut corrosif |
| oil | sour crude oil | brut aigre |
| bot. | sour dock | grande oseille Rumex acetosa |
| bot. | sour dock | oseille commune Rumex acetosa |
| bot. | sour dock | oseille Rumex acetosa |
| entomol. | sour dock beetle | chrysomèle de l'oseille Gastrophysa viridula |
| nat.sc., agric. | sour dock beetle | chrysomèle de l'oseille (Gastroidea viridula) |
| food.ind. | sour dough | levain |
| agric., industr., construct. | sour felling | séchage biologique |
| fish.farm. | sour fish | poisson sur |
| chem. | sour gas | gaz corrosif |
| chem. | sour gas | gaz sulfureux |
| met. | sour gas | gaz naturel acide |
| chem. | "sour gas" | gaz naturel acide |
| coal. | sour gasoline | essence acide |
| chem. | sour gasoline | essence acide (US) |
| nat.sc., agric. | sour gum | tupelo noir (Nyssa sylvatica) |
| anim.husb. | sour honey | miel acide |
| bot. | sour lime | limettier Citrus aurantifolia |
| bot. | sour lime | lime acide Citrus aurantifolia |
| bot. | sour lime | lime Citrus aurantifolia |
| agric. | sour milk | lait caillé |
| agric. | sour milk | lait tourné |
| agric. | sour milk | lait aigre |
| milk. | sour milk cheese | fromage de lait |
| milk. | sour milk cheese | fromage de lait caillé |
| milk. | sour milk cheese | fromage au lait acidifié |
| nat.sc., agric. | sour mouth | ecthyma contagieux du mouton (ecthyma contagiosum) |
| chem. | sour natural gas | gaz naturel non désulfuré |
| chem. | sour natural gas | gaz naturel corrosif |
| chem. | sour natural gas | gaz naturel acide |
| chem., mech.eng. | sour oil | huile corrosive |
| agric., engl. | sour orange | bigarade |
| agric. | sour orange | orange de Séville Citrus aurantium |
| agric. | sour orange | orange amère |
| agric. | sour orange rootstock | porte-greffe de l'orange amère |
| bot. | sour orange tree | oranger amer Citrus aurantium, vulgaris |
| agric. | sour orange tree | oranger amer (Citrus aurantium, Citrus aurantium var.bigaradia) |
| bot. | sour orange tree | bigaradier Citrus aurantium, vulgaris |
| agric. | sour orange tree | bigaradier (Citrus aurantium) |
| agric. | sour paspalum | herbe créole (Paspalum ciliatifolium Trin., Paspalum conjugatum Berg./Schwartz.) |
| nat.res. | sour rainfall | pluie acide |
| agric. | sour rootstock | porte-greffe de l'orange amère |
| met. | sour service pipe | oléoduc en service acide |
| agric. | sour sop | corossol épineux |
| agric. | sour sop | soursop |
| agric. | sour sop | corossol |
| agric. | sour sop | cachiman épineux |
| agric. | sour-sweet | aigre-doux |
| met. | sour well | puits de gaz corrosif |
| agric. | sour wine | vin acide |
| agric. | sour wine | vin vert |
| gen. | sour wine | vin qui pique |
| med. | souring of cream | acidification de la crème |
| tech., met. | souring of magnesite | pourrissage de la magnésie |
| food.ind., law | sweet and sour product | produit aigre-doux |
| agric. | sweet-sour | aigre-doux |
| food.ind. | sweet-sour preserves | conserves aigres-douces |
| agric. | sweet-and-sour | aigre-doux |
| gen. | the milk has gone sour | le lait est devenu aigre |
| gen. | the milk has turned sour | le lait est devenu aigre |
| chem. | to become sour | aigrir |
| agric. | turned sour | tourné à l'acescence |
| agric. | turned sour | acescent |
| dye. | white sour | bain acide après la chloruration |