pet gas chamber; carbon dioxide asphyxiation chamber for pets
Euphemistic wasei-eigo term for a device used to euthanize pets with carbon dioxide. Often used in animal shelter or veterinary contexts.
wasei-eigo (Japanese-coined English), from dream box
At that animal welfare center, a dream box is used.
The term 'dream box' is a euphemism for a pet euthanasia device.
Variant with a middle dot, sometimes used in formal or explanatory contexts.
Wasei-eigo from English 'dream' and 'box', coined as a euphemism for a pet euthanasia chamber.