quasi-stellar radio source

Did you catch the story about a giant green blob discovered in a remote section of the universe? An intergalactic blob in and of itself isn’t an appropriate topic for a dictionary website, even if the blob has been shown to move and change color. The reason you are reading about this on Dictionary.com is the mouthful of a name: Hanny’s Voorwerp. The second word is pronounced “FOR-verp.” While the …

We use hello several times a day to greet people or attract attention. But as prevalent as the word is, “hello” is relatively new. Hello came into existence in the mid-1800s. It is an alteration of hallo, which was an alteration of holla or hollo. These words were used to attract immediate attention and demand that the listener come to a stop or cease what he …