A Great Darkness of smoke and cloud from Mordor blotted out the sun. Proteins from known HIV-infected cells are separated and blotted on a membrane as above. The sun was nearly completely hidden as volcanic ash blotted it out. Unfortunately they were annoyed by frequent dust incursions which frequently blotted out the horizon. Then letters were written with special copying ink which was not blotted. Day turned to night as volcanic ash blotted out the sun. Blotted Science and the supergroup Conquering Dystopia. Landry reasoned that the best counter was a defense that blotted out the daylight. The Taylor name was then blotted out wherever it appeared on Bully Hill products. In a phrase, he blotted out the purple of pulp. To be blotted out of this book signifies death. "Carthage must be blotted out!". Later television broadcasts blotted out a "Free Tibet" banner featured in the song.