A postage stamp which includes a premium for charitable causes in addition to the charge for postal service.

(US) A postage stamp with no indicated monetary value and indefinitely valid for a given service, e.g. a domestic first-class letter under 20 grams.

present participle of time-stamp

Marked with a timestamp.

simple past tense and past participle of time-stamp

simple past tense and past participle of stamp out

present participle of stamp out

simple past tense and past participle of rubber stamp

present participle of rubber stamp

a standardized pattern or mark for entering clinical information into a medical record (paper or electronic).