Condition or situation.
- excited s. — the condition of a nucleus, atom or molecule produced by the addition of energy to the system as the result of absorption of photons or of inelastic collisions with other particles or systems.
- ground s. — the condition of lowest energy of a nucleus, atom or molecule.
- refractory s. — a condition of subnormal excitability of muscle and nerve following excitation.
- resting s. — the physiological condition achieved by complete rest for at least 1 hour.
- steady s. — dynamic equilibrium.
