transparent

"The coffee machine automatically dispenses hot water when you press the button. "

"The force required to compress a spring varies linearly with the displacement."

"I had to uncompress the zip file before I could see all the pictures from our family vacation. "

"My teacher explained the new math concept, and I understood it perfectly. "

"The cat slept soundly on the couch, completely undisturbed by the noise of the television. "

"Once we had eaten and drunk sufficiently, we padded off to sleep."

"The school's annual fundraising helps pay for field trips and new equipment. "

"This painting shows little organization at first glance, but little by little the structure becomes clear."

"The school's new policy of complete transparency about grades helped students understand their progress better. "

"Given that "indistinguishable" is an adjective, not a noun, here's a sentence using it correctly as an adjective: "The twins were so alike that their voices were almost indistinguishable." "

"The politician's acceptance of expensive gifts was seen as a clear example of corruption. "

"The compression of the trash in the bin allowed us to fit more in. "