The word bolometers is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 17
Highest Scoring Words With Friends™ Play In The Letters bolometers
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Seven Letter Word Alert: (31 words)
bloomer, boleros, boletes, bolster, bolters, boomers, boomlet, booster, bootees, booters, emoters, lobster, looters, melters, meteors, mobster, omelets, rebloom, reboost, reboots, remelts, remotes, resmelt, retools, roselet, smelter, telomer, toolers, trebles, tremble, tremolo