simple past tense and past participle of box out

(biochemistry) A hydrolase enzyme that catalyzes the chemical reaction D-glucono-1,5-lactone + H₂O ⇌ D-gluconate.

(measuring instrument) A device consisting principally of an alcohol thermometer, used to measure air cooling power and, indirectly, small wind speeds in circulating air, by measuring the time take...

simple past tense and past participle of leave a lot to be desired.