blue mould

noun

1. Also calledgreen mould any fungus of the genus Penicillium that forms a bluish mass on decaying food, leather, etc
2. any fungal disease of fruit trees characterized by necrosis and a bluish growth on the affected tissue: mostly caused by Penicillium species

Example Sentences

Through the negligence of the servant they have been hung up in a damp state, and had become covered with blue mould.

From Project Gutenberg

They kept him in a dark place, like a cheese, until he had the full Tellson flavour and blue-mould upon him.

From Project Gutenberg

The chief condition in the existence of the blue mould is excessive moisture.

From Project Gutenberg

When ripe it is permeated by a blue mould, and resembles in flavour, appearance and consistency a rich old Stilton.

From Project Gutenberg

One is half inclined to look for a coating of blue mould over the streets and houses.

From Project Gutenberg