Translation guide
Describes something that can be pulled back, drawn in, or folded away. The most common Japanese equivalent is 格納式 (kakunō-shiki), but the natural translation depends on what is being retracted.
Describing a mechanism or part that can be pulled back or stored away (e.g., landing gear, knife blade, roof).
Standard term for retractable mechanisms, especially in technical contexts. Literally 'storage type'.
この飛行機は格納式の着陸装置を備えている。
This airplane has retractable landing gear.
Literally 'pull-in type'. Often used for retractable parts like antennas, cords, or landing gear.
引き込み式のアンテナが壊れた。
The retractable antenna broke.
Means 'storable type'. Used for items that can be put away, like retractable roofs or screens.
収納式の屋根がついている車だ。
It's a car with a retractable roof.
Means 'telescopic type'. Used for things that extend and retract, like a pointer or a leash.
伸縮式のリードを使っています。
I use a retractable leash.
Describing claws that can be drawn back into the paw.
Literally 'claws that can be pulled in'. Natural way to describe retractable claws.
猫は引っ込められる爪を持っている。
Cats have retractable claws.
Means 'claws that can be put out and in'. Another common description.
チーターの爪は出し入れできる。
A cheetah's claws are retractable.
Describing a pen or pencil with a tip that can be extended and retracted.
Standard term for a retractable pen or mechanical pencil operated by a click/knock mechanism.
ノック式のボールペンをください。
Please give me a retractable ballpoint pen.
Casual phrase meaning 'a pen whose tip comes out'. Not a technical term.
先が出るペンのほうが便利だ。
A retractable pen is more convenient.
Describing a cord or hose that can be wound back into a case.
Literally 'wind-up type'. Used for retractable cords, hoses, or tape measures.
巻き取り式の延長コードは収納しやすい。
A retractable extension cord is easy to store.
In Japanese, 'retractable' is usually expressed as a compound with 式 (shiki, 'type'). The first part describes the action: 格納 (storage), 引き込み (pulling in), 収納 (storing), 伸縮 (telescoping), 巻き取り (winding). Choose based on the object.