Yes, burn is playable
...and is worth 9 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Burn" Definition
noun
A burned place or area: a cigarette burn in the tablecloth.
A sensation of intense heat or stinging pain: a chili burn on the tongue; the burn of alcohol on an open wound.
Aerospace A firing of a rocket.
phrasal-verb
Burn in To darken part of (a photograph print) by exposing unmasked areas.
Burn out To cause (a property owner or a resident) to have to evacuate the premises because of fire: The shopkeeper was burned out by arsonists.
Burn out To make or become exhausted, especially as a result of long-term stress: "Hours are long, stress is high, and many recruits drop out or burn out” ( Robert J. Samuelson).
Burn out To stop burning from lack of fuel.
Burn out To wear out or make or become inoperative as a result of heat or friction: The short circuit burned out the fuse.
idiom
Burn the midnight oil To work or study very late at night.
To burn In great amounts: They had money to burn.
verb-transitive
Physics To cause to undergo nuclear fission or fusion.
Sports To outplay or score on (an opponent), especially through quick or deceptive movement.
To cause to undergo combustion.
To consume (fuel or energy, for example): burned all the wood that winter.
verb-intransitive
Physics To undergo nuclear fission or fusion.
To admit of burning: Wood burns easily.
To be consumed with strong emotion, especially:.
To be destroyed, injured, damaged, or changed by or as if by fire: a house that burned to the ground; eggs that burned and stuck to the pan.
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