The plural of anisotropy; multiple instances or types of directional property variation in materials or physical systems.
The plural form of anisotropy, from Greek 'aniso-' (unequal) + 'tropos' (direction) + '-y' (state/condition). The plural allows scientists to discuss multiple directional variations.
Cosmologists study anisotropies in the cosmic microwave background radiation—tiny temperature variations that reveal how the early universe was structured, proving it wasn't perfectly uniform.
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