stamps is a form of:

Exposure



noun
1.
~ (to something) (exposing or being exposed to air or cold or danger etc., the exposing of photographic film or plate to the light, the length of time for which this is done, a section of film exposed as a unit, an exposing or being exposed) ការដាក់អោយត្រូវ, ឡើង, ហ្វីល, ការតាំង, បើករបាំងមុខ, ការបង្ហាញ, ការពន្យល់, ប្រាប់, ការដាក់អោយត្រូវកន្លែង
2.
(បច្ចេកទេស) ការធ្វើអោយដឹងឮជាសារធារណៈ, ការផ្សាយ, ការតាំង
ENGLISH MEANING
noun
1.
The act of exposing or laying open, setting forth, laying bare of protection, depriving of care or concealment, or setting out to reprobation or contempt.
2.
The state of being exposed or laid open or bare; openness to danger; accessibility to anything that may affect, especially detrimentally; as, exposure to observation, to cold, to inconvenience.
3.
Position as to points of compass, or to influences of climate, etc.
4.
The exposing of a sensitized plate to the action of light.