Able to be rendered correctly by a particular browser(adjective)
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Use "viewable" in a sentence
"I tried to put up some photos of the progress on my flicker site (viewable from the links on the right side of this page) but the internet is hopelessly slow (but at least its working)."
"The current directory will remain viewable to visitors until the new directory is in place."
"It hangs in this area off the lanai, where it is near a tree and a bush, and viewable from the living room (but not from my office, again.)"