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blackhead

Saltos de línea: black|head
Pronunciación: /ˈblakhɛd
 
/

Definición de blackhead en inglés:

sustantivo

1A plug of sebum in a hair follicle, darkened by oxidation.
Example sentences
  • These pimples vary according to the severity of the acne and range from whiteheads, blackheads, pustules and nodules to cysts.
  • Like benzoyl peroxide, sulfur keeps bacteria in check and works wonders on whiteheads, blackheads and pimples.
  • Acne is the blanket term used for skin irritations, including blackheads, whiteheads, pimples, and the deeper cysts that may form on your shoulders, neck, face or other areas.
2 [mass noun] An infectious disease of turkeys producing discoloration of the head, caused by a protozoon.
Example sentences
  • Turkey farmers in the UK are in a panic over blackhead disease, fearing an outbreak among their flocks after the drug they used to rely on was banned.
  • Turkeys at two Dutch farms were diagnosed with parasite-borne blackhead, but the government was not very concerned because about 10 cases of the disease are reported each year.
  • Ten million turkeys being reared for the festive period are at risk from blackhead, a parasitic liver disease which causes birds to waste away.

Definición de blackhead en:

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Palabra del día tenebrous
Pronunciación: ˈtɛnɪbrəs
adjective
dark; shadowy or obscure