A shutdown of a nuclear reactor (or, by extension, some other thing), often done rapidly due to an emergency.
A scratch, especially caused by claws or fingernails.
Alternative letter-case form of scram
leave immediately; used usually in the imperative form
"Scram!"
To leave in a hurry; to go away.
To shut down (a nuclear reactor or, by extension, some other thing) for safety reasons, usually because of an emergency.
To scratch (something) with claws or fingernails; to claw.
Of one's body or limbs: to become numb or stiff due to cold, lack of movement, etc.
Alternative letter-case form of scram