| Acronym | Definition |
|---|
| ECBT➣Every Child by Two (nonprofit immunization organization) |
| ECBT➣Espérance Chartres de Bretagne Triathlon (French race) |
| ECBT➣Étude Construction Bâtiment Travaux (French: Building Construction Work Study) |
| ECBT➣Eau Chaude Basse Température (French: Low Temperature Hot Water) |
| ECBT➣Executive Committee and Board of Trustees (American Mathematical Society) |
| ECBT➣Extra Corporeal Blood Treatment |