canker

• Substantiv, das eine zerstörerische Pilzkrankheit bei Gehölzen, ein Geschwür im Mund oder an den Lippen sowie einen schwer auszurottenden, schädlichen Einfluss bezeichnet.

A noun referring to a destructive fungal disease affecting woody plants, an ulceration of the mouth or lips, or a pervasive and harmful influence that is difficult to eradicate.

1. Plant diseaseC1formalscientific

   A fungal infection affecting woody plants, resulting in localized damage to the bark and underlying tissues.

   Pflanzenkrebs

   • The apple tree was infected with canker, causing the bark to crack and peel.
   • Gardeners must prune away branches affected by canker to prevent its spread.
   • The disease canker can weaken a tree significantly over time.

2. Mouth ulcerB2formalmedical

   A painful sore or ulceration that appears on the lips or inside the mouth.

   Mundgeschwür

   • She developed a canker on her lip after biting it accidentally.
   • Canker sores can make eating and speaking uncomfortable.
   • The dentist prescribed a gel to treat the canker in his mouth.

   Synonymeaphthous ulcercanker sore

3. Harmful influenceC2formal

   A destructive or corrupting influence that is difficult to eliminate and spreads gradually.

   Schädlicher Einfluss

   • Corruption is a canker that eats away at the foundations of society.
   • The spread of misinformation is a canker on public discourse.
   • They saw the new policy as a canker that would undermine the organization's values.

   Synonymeblightcancercontagioncorruptioncurseevilmalignancypestilenceplaguescourge

• Veralteter Ausdruck dafür, etwas zu infizieren oder zu verderben bzw. selbst infiziert oder verdorben zu werden, ähnlich wie ein Geschwür oder Rost.

An obsolete verb meaning to infect or corrupt, or to become infected or corrupted, like a canker sore or rust.

1. Become infected with a cankerC1formalmedical

   To develop a destructive, ulcerous sore or infection, typically in plant or animal tissue.

   Verkrebsen

   • The tree began to canker after the harsh winter.
   • If left untreated, the wound may canker and spread.
   • The rose bush started to canker due to the fungal infection.

   Synonymefestersuppurateulcerate

2. Infect with a cankerC1formalmedical

   To cause an infection characterized by ulcerous sores or decay.

   Mit Brand infizieren

   • The disease can canker the leaves of the plant.
   • Poor hygiene can canker the gums over time.
   • The parasite can canker the flesh of the host.

   Synonymeblightcorrodedecayfesterinfectulcerate