- a field of any type of energy, such as gravitational, magnetic, or electric, that surrounds and affects something: Figure 2 shows the electrical force fields surrounding the positive and negative charges that produce them.
- a method of calculating the amount of potential energy acting between particles, atoms, or molecules.
- (in fantasy and science fiction) a space around a planet, spacecraft, etc., in which some kind of energy or special power operates as a barrier: The island is surrounded by a magical force field that keeps the villains safely locked up and away from the mainland.
- a particularly intense emotional or spiritual energy, charisma, aura, vibe, etc., that has the effect either of drawing others closer or of keeping them away: It’s not always safe to self-reveal—I know when I can let down my guard, and when I need to have the force field up.The eyes of the ancient statue glittered with an unsettling intelligence and grace, and I was captured by the force field of a powerful presence.
