Translation guide
The English word 'roller' covers many physical objects and devices that roll or have rolling parts. This guide organizes the most common meanings for learners and gives natural Japanese equivalents.
A cylindrical tool with a handle used to apply paint to large surfaces.
The most common word for a paint roller. Borrowed from English.
壁をローラーで塗った。
I painted the wall with a roller.
A small cylindrical object used to curl hair.
A cylindrical bar placed under something heavy to roll it along.
A simple roller or log used to move heavy items. Common in moving contexts.
重い石をコロで動かした。
We moved the heavy stone with rollers.
A heavy vehicle with a large drum used to flatten surfaces in construction.
A shoe with small wheels for gliding on surfaces.
An amusement park ride with steep drops and sharp turns.
A cylindrical rotating part in machinery.
English 'roller' covers many distinct objects. Always specify the type (paint, hair, road, etc.) in Japanese, or use the specific loanword. Using ローラー alone may be ambiguous.
ローラーを買った。
I bought a roller. (ambiguous: paint? hair?)
Explicitly 'paint roller'. Used when clarity is needed.
ペンキローラーを買いに行く。
I'm going to buy a paint roller.
The standard word for hair rollers or curlers.
髪にカーラーを巻く。
I put rollers in my hair.
More explicit, 'hair curler'.
ヘアカーラーでカールを作る。
I create curls with hair rollers.
Also used for industrial rollers or conveyor rollers.
工場のローラーで荷物を運ぶ。
They transport goods on factory rollers.
The standard term for a road roller.
道路をロードローラーでならす。
They level the road with a road roller.
Shortened form, common in casual speech.
ローラーが通った後は平らだ。
After the roller passes, it's flat.
General term for roller skates (quad or inline).
公園でローラースケートをした。
I went roller skating in the park.
Specifically inline skates (wheels in a line).
インラインスケートを履いて滑る。
I glide wearing inline skates.
The most common term for roller coaster in Japan, though it literally means 'jet coaster'.
ジェットコースターに乗るのが好きだ。
I like riding roller coasters.
Direct loanword, understood but less common than ジェットコースター.
あの遊園地には大きなローラーコースターがある。
That amusement park has a big roller coaster.
Generic term for any mechanical roller.
プリンターのローラーが詰まった。
The printer roller got jammed.
Technical term meaning 'rotating roller'.
回転ローラーの速度を調整する。
Adjust the speed of the rotating roller.