Definition of black heart in English:

black heart

noun ˈblak ˌhɑːt

1Any of several cultivated varieties of sweet cherry producing dark-coloured fruit.
2Agriculture and Horticulture. Any of various plant diseases in which blackening of inner areas of plant tissue takes place; specifically a disease of potatoes characterized by a blackening at the centre of stored and growing tubers, caused by oxygen deprivation such as may result from temperature extremes, waterlogging, or poor ventilation.
3Metallurgy. A type of malleable cast iron containing nodules of graphite in a ferrite matrix. Contrasted with white heart.

Origin

Mid 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From black + heart.

Definition of black heart in US English:

black heart

nounˈblak ˌhɑːt

1Any of several cultivated varieties of sweet cherry producing dark-coloured fruit.
2Agriculture and Horticulture. Any of various plant diseases in which blackening of inner areas of plant tissue takes place; specifically a disease of potatoes characterized by a blackening at the centre of stored and growing tubers, caused by oxygen deprivation such as may result from temperature extremes, waterlogging, or poor ventilation.
3Metallurgy. A type of malleable cast iron containing nodules of graphite in a ferrite matrix. Contrasted with white heart.

Origin

Mid 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From black + heart.

词汇	black heart
释义	Definition of black heart in English: black heart noun ˈblak ˌhɑːt 1Any of several cultivated varieties of sweet cherry producing dark-coloured fruit. 2Agriculture and Horticulture. Any of various plant diseases in which blackening of inner areas of plant tissue takes place; specifically a disease of potatoes characterized by a blackening at the centre of stored and growing tubers, caused by oxygen deprivation such as may result from temperature extremes, waterlogging, or poor ventilation. 3Metallurgy. A type of malleable cast iron containing nodules of graphite in a ferrite matrix. Contrasted with white heart. Origin Mid 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From black + heart. Definition of black heart in US English: black heart nounˈblak ˌhɑːt 1Any of several cultivated varieties of sweet cherry producing dark-coloured fruit. 2Agriculture and Horticulture. Any of various plant diseases in which blackening of inner areas of plant tissue takes place; specifically a disease of potatoes characterized by a blackening at the centre of stored and growing tubers, caused by oxygen deprivation such as may result from temperature extremes, waterlogging, or poor ventilation. 3Metallurgy. A type of malleable cast iron containing nodules of graphite in a ferrite matrix. Contrasted with white heart. Origin Mid 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From black + heart.
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