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A leaf spot is a limited, discoloured, diseased area of a leaf that is caused by fungal, bacterial or viral plant diseases, or by injuries from nematodes...

Ferrar, and Cross have very badly swollen legs, whilst Heald's are discoloured as well. The remainder of the party seem fairly well, but not above suspicion;...

air pollution in Paris, which accelerated erosion of decorations and discoloured the stone. By the late 1980s, several gargoyles and turrets had also...

all Rome's aqueducts and one of the most reliable but prone to muddy, discoloured waters, particularly after rain, despite its use of settling tanks. Most...

allowing the patient to be sure of what result they would like to achieve. Discoloured teeth, malformed teeth, enamel hypoplasia (not enough enamel), enamel...

un-melt on the melt pool. Weld line Knit line / Meld line / Transfer line Discoloured line where two flow fronts meet Mould or material temperatures set too...

Severely damaged skin may heal by forming scar tissue. This is sometimes discoloured and depigmented. The thickness of skin also varies from location to location...

and Marton Moss into the sea. The stream ran through peatlands that discoloured the water, so the name for the area became "Black Poole". In the 15th...

hydroquinone has been linked to ochronosis, where skin becomes permanently discoloured and disfigured, and because it may also be a carcinogen. All over-the-counter...

symptom of a fungal nail infection is the nail becoming thickened and discoloured: white, black, yellow or green. As the infection progresses the nail...

mat to which soil particles adhere. The leaves become distorted and discoloured, and the mycelium can spread through the soil between plants. Some weeds...

ring which may quickly disappear. May discolour slightly yellow or pinkish brown. Gills: White, sometimes discolouring to pinkish brown with age. Free and...

during excavations in 1939. The 'ghost' effect was the result of sand discoloured by the organic matter which had rotted away. Still from a film made by...

Mint Ostropa commemorative sheet, paper discoloured by the acidic stamp gum, paper beginning to disintegrate at the watermarks...

subtropics. The eggs are round and milky blue when laid, but quickly discolour in the increasingly dirty nest. They weigh 4.5 grams (0.16 oz). A replacement...

other parts of the food served with it (such as a boiled egg), or to discolour porcelain dishes. There is also a trend to use more Laxrom (salmon roe)...

stone monuments such as the Taj Mahal, the Lotus Temple is becoming discoloured due to air pollution in India. Specifically, the white marble is turning...

their location makes camouflage unnecessary. However, they do become discoloured over the course of incubation. They range in size from 55 mm × 37 mm...

root fly sometimes attack the roots. The foliage droops and becomes discoloured, and small, white maggots tunnel through the root, making it unattractive...

the Medici family. The painting is now almost hidden behind a strongly discoloured or tinted layer of varnish under which there also seem to be extensive...