| Beta diversity | Diversité bêta |
| Beta Draconis | Beta Draconis |
| Beta Eridani | Beta Eridani |
| Beta function | Fonction beta |
| Beta Gruis | Beta Gruis |
| Beta Herculis | Beta Herculis |
| Beta Israel | Falashas |
| Beta Leporis | Beta Leporis |
| Beta Librae | Beta Librae |
| Beta Lyrae | Beta Lyrae |
| Beta Lyrae stars | Etoiles Beta Lyrae |
| Beta Lyrae variable | Variable de type Beta Lyrae |
| Beta Ophiuchi | Beta Ophiuchi |
| Beta oxidation | Bêta-oxydation |
| Beta Pegasi | Beta Pegasi |
| Beta Persei stars | Etoiles Beta Persee |
| beta radiation | rayonnement beta |
| Beta Scorpii | Beta Scorpii |
| Beta sheet | Feuillet bêta |
| Beta Tauri | Beta Tauri |
| Beta Trianguli Australis | Beta Trianguli Australis |
| Beta Ursae Majoris | Beta Ursae Majoris |
| Beta Ursae Minoris | Beta Ursae Minoris |
| Beta-galactosidase | Β-galactosidase |
| Beta-lactam | Bêta-lactame |
| Beta-lactam antibiotic | Antibiotique bêta-lactamine |
| Betamethasone | Bétaméthasone |
| Betar | Betar |
| Betasuchus | Betasuchus |
| betel | bétel |
| betel nut | noix d’arec |
| Betelgeuse | Bételgeuse |
| Beth Allen | Beth Allen |
| Beth Anderson | Musique |
| Beth Pheonix | Beth Phoenix |
| Beth Phoenix | Beth Phoenix |
| Beth Sholom Synagogue | Synagogue Beth Sholom |
| Bethanie Mattek | Bethanie Mattek |
| Bethany | Béthanie |
| Bethany Joy Galeotti | Bethany Joy Lenz-Galeotti |
| Betharram | Betharram |
| Bethe formula | Formule de Bethe |
| Bethe-Bloch formula | Formule de Bethe |
| Bethlehem | Bethléem |
| Bethlehem Chapel | Chapelle de Bethléem |
| Bethlehem of Galilee | Bethléem |
| Bethsaida | Bethsaïde |
| Betim | Béryl |
| betimes | à temps |
| Betla National Park | Parc national de Betla |
| Beto Vázquez Infinity | Beto Vázquez Infinity |
| betony | bétoine |
| betray | abandonner |
| betrayal | trahison |
| betrayer | dénonciateur |
| betroth | fiancer |
| betrothal | fiançailles |
| betrothed | fiancé |
| Betschwanden | Betschwanden |
| Betsy | Elizabeth |
| Betsy Jolas | Betsy Jolas |
| Bette Davis | Bette Davis |
| Bette Midler | Bette Midler |
| Bettel | Bettel |
| Bettembourg | Bettembourg |
| Betten | Betten |
| Bettens | Bettens |
| better | meilleur |
| Better dead than red | Plutôt mort que rouge |
| better half | moitié |
| better late than never | mieux vaut tard que jamais |
| better safe than sorry | mieux vaut prévenir que guérir |
| better than | plutôt que |
| Better Than Chocolate | Better than Chocolate |
| betterer | améliorateur |
| betterment | amélioration |
| Bettina von Arnim | Bettina von Arnim |
| betting | pari |
