canker

• n. [Phytophthora] 潰瘍；口内炎；腐敗の原因、悪癖
• vi. 潰瘍を作る；腐敗させる
• vt.潰瘍を作る；腐敗させる

語源は癌と同じ。

canker (n.)

late Old English cancer "spreading ulcer, cancerous tumor," from Latin cancer "malignant tumor," literally "crab" (see cancer); influenced in Middle English by Old North French cancre "canker, sore, abscess" (Old French chancre, Modern French chancre). The word was the common one for "cancer" until c. 1700. Also used since 15c. of caterpillars and insect larvae that eat plant buds and leaves. As a verb from late 14c. Related: Cankered; cankerous. Canker blossom is recorded from 1580s.

1. Blighted stems often canker .

病気の茎は潰れやすい.

2.Is hypocrisy the canker of our society？

虚偽は私たちの社会の弊害ですか？

3.His dog has a canker in its ear.

彼の犬の耳に潰瘍がある。

4.Unlike cold sores, canker sores appear inside the mouth.

唇ヘルペスとは異なり、口の中に口が現れる。

5.The pathogenic fungi of pear canker disease is a new variety.

ナシ腐敗病病原菌は新しい変種である。