motionless is when you're not moving and immobile is when you can't move.
Immobile
Incapable of being moved; immovable; fixed; stable.
Immobile (though I don't quite understand what you mean by science word)
Well, by the definition of immobile, whatever does happen, the object will not move.
Inanimate is a noun and an adjective. The noun form refers to something that is not alive. The adjective form refers to something that lacks the ability of motion.
immobile
immobile
The cast held his arm immobile while it healed. The lion was immobile in the net.
The Immobile Empire was created in 1989.
His leg was put in plaster and he was immobile for several weeks.He crouched there immobile until they had gone."
A young immobile jellyfish is called a polyp
I blew a tire; now my car is immobile.
Immobile - album - was created on 1998-01-27.
Ciro Immobile was born on 1990-02-20.
As of June 2014, Ciro Immobile plays for Torino, a club in Italy.
The noun form of the adjective unprepared is unpreparedness.