tooth

歯

口の中にあり、食べ物をかんだり砕いたりする硬く白いもの。

やさしい英語で： One of the hard white parts in your mouth that you use to bite and chew food.

• My tooth hurts.
• The baby has two teeth.
• The dentist pulled out a broken tooth.

よく使う表現： loose tooth, tooth decay, front tooth

好み、甘い物好き

特定の食べ物、特に甘い物がとても好きなこと。

やさしい英語で： A strong liking for a particular kind of food, especially sweet food.

• I have a sweet tooth.
• Her sweet tooth makes dessert hard to resist.
• These little cakes will satisfy your sweet tooth.

類義語： liking, fondness

よく使う表現： sweet tooth, have a tooth

歯

歯車やくし、工具に並ぶ突起の一つ。物をつかみ、動かし、切る。

やさしい英語で： One of a row of points on a gear, comb, or tool, used to grip, move, or cut.

• One tooth on the comb broke.
• The gears have teeth that fit together.
• A damaged tooth stopped the machine.

類義語： prong, cog

よく使う表現： gear tooth, comb tooth, tooth of something

歯状突起

体の一部にある、口の歯のような形をした鋭い突起。

やさしい英語で： A sharp point on a body part, shaped like one of the biting parts in a mouth.

• A sharp tooth projects from the claw.
• The crab has several teeth along its claw.
• Each tooth on the shell points outward.

類義語： point, projection

よく使う表現： sharp tooth, tooth on something

摩擦力、滑りにくさ

縄などが自分の表面に引っかかり、結び目を滑りにくくする性質。

やさしい英語で： The ability of a rope or similar material to grip itself and keep a knot from slipping.

• This rope has good tooth.
• The cord’s tooth helps the knot hold.
• Smooth fibers give this rope less tooth.

類義語： grip, friction

よく使う表現： good tooth, tooth of something

歯を刻む

物の縁を削り、鋭い突起やくぼみを一列に作る。

やさしい英語で： To cut a row of sharp points or gaps along the edge of something.

• The worker will tooth the saw.
• He toothed the metal edge with a file.
• This tool is used to tooth new blades.

類義語： notch, serrate

よく使う表現： tooth a saw, tooth a blade