macroscopic

Visible to the unassisted eye.

The direct, evident, and macroscopic effects of freezing on foods are the phase transition of liquid components, which crystallize and solidify.

Having an appreciable mass.

...it appears to be a small step from (1) and (2) to the identification of a sufficiently large mass with a macroscopic mass and, by analogy, to the consideration as macroscopic any system having sufficiently large quantum numbers associated with it...