Alternative spelling of proof of concept

Able to be cleaned in a dishwasher without damage.

Alternative spelling of acidproof

A mixture of alcohol and water used as a standard for distilled drinks.

Synonym of ontological argument

Overwhelming or definitive proof.

plural of proof reader

constructed to withstand splashing

Alternative form of rotproof

A legal requirement to achieve an impossible proof. Remedies are reversing the burden of proof, or giving additional rights to the individual faced with this requirement.