| Subject | English | French |
| ichtyol. | black ruby barb | barbus à tète pourprée (Barbus nigrofasciatus) |
| industr., construct., chem. | copper ruby glass | verre rubis au cuivre |
| industr., construct., chem. | copper ruby glass | rubis au cuivre |
| industr., construct., met. | flash ruby struck by reheating | rubis par réchauffement |
| chem. | light ruby silver ore | argent rouge (min., min.) |
| chem. | light ruby silver ore | proustite (min.) |
| med.appl. | ruby abrasive point | pointe abrasive à rubis |
| tech., chem. | ruby aq mica | mica rubis AQ |
| chem. | ruby arsenic | réalgar |
| chem. | ruby arsenic | As2S2 |
| chem. | ruby arsenic | rubis d'arsenic |
| chem. | ruby arsenic | sulfure d'arsenic |
| chem. | ruby arsenic | arsenic rouge |
| chem. | ruby arsenic | bisulfure d'arsenic |
| tech., chem. | ruby bq mica | mica rubis BQ |
| ornit. | ruby-cheeked sunbird | souï-manga à joues rubis (Anthreptes singalensis) |
| ichtyol. | ruby-coloured snapper fish | vivaneau rubis (Etelis carbunculus) |
| mineral. | ruby copper ore | cuprite |
| nat.res. | ruby-crowned kinglet | roitelet à couronne rubis (Regulus calendula) |
| ornit. | ruby-crowned kinglet | roitelet à couronne rubis (Regulus calendula) |
| industr., construct., met. | ruby glass | verre rubis |
| el. | ruby laser | laser à rubis |
| met. | ruby silver | pyrargyrite |
| gen. | ruby silver ore | argent rouge |
| fish.farm. | ruby snapper | vivaneau laflamme (Etelis carbunculus) |
| ichtyol. | ruby snapper | vivaneau rubis (Etelis carbunculus) |
| met. | ruby spinel | rubis balais |
| med. | ruby spots | taches rubis |
| entomol. | ruby-tailed wasps | chrysididés (Chrysididae) |
| entomol. | ruby-tailed wasps | guêpes-coucous (Chrysididae) |
| entomol. | ruby-tailed wasps | guêpes d'or (Chrysididae) |
| nat.res. | ruby-throated hummingbird | colibri à gorge rubis (Archilocus colubris) |
| ornit. | ruby-throated hummingbird | colibri à gorge rubis (Archilochus colubris) |
| entomol. | ruby tiger | écaille fuligineuse (Phragmatobia fuliginosa) |
| entomol. | ruby tiger | écaille cramoisie (Phragmatobia fuliginosa) |
| entomol. | ruby tiger moth | écaille fuligineuse (Phragmatobia fuliginosa) |
| entomol. | ruby tiger moth | écaille cramoisie (Phragmatobia fuliginosa) |
| ornit. | ruby-topaz hummingbird | colibri rubis-topaze (Chrysolampis) |
| industr., construct., chem. | selenium ruby glass | verre rubis au sélénium |
| ichtyol. | yellow-striped ruby snapper | vivaneau rubis (Etelis carbunculus) |