Je was op zoek naar: serrated (Engels - Japans)

colonic serrated adenoma
結腸鋸歯状腺腫

wound was serrated, remember?
傷は鋸歯状だった 忘れたか？

it's custom-made, serrated tip.
のこぎり刃のカスタムメイドだ

this is not serrated. looks old, dull.
刃がガタガタになってる

teflon-coated titanium blade serrated to split the bone.
骨を裂く為に テフロン加工されたチタン刃

based on the striae, the weapon had an irregular serrated blade.
凶器は不規則な刃だけど

it's shallow and serrated, as if it were done with a bread knife.
浅くギザギザで パン切りナイフみたいだ

the knife's serrated edge makes it perfect for cutting such things as bread.
刃にぎざぎざが付いているので、このナイフはパンのようなものを切り分けるのに最適だ。

okay, so, the blade appears to be 3.81 centimeters in width with a serrated edge on one side, and a straight edge on the other.
刃の大きさは3. 81cmで 片方はギザギザのエッジで

what's the name of this flower with serrated petals? i tried looking it up in a encyclopedia, but i couldn't get anything.
このギザギザした葉っぱの花、何と言う名前の植物だと思う？図鑑で調べてみたけどよくわからないんだ。