noun-modifying (irregular)
Used before another noun to mean that something works automatically or is an automatic-mode feature.
I set the camera to automatic mode.
This app has an auto-save feature.
I used the camera's automatic settings.
auto; automobile; car-related
As a car-related noun, it is much less common than 車 or 自動車 in ordinary conversation, but it appears in shop names, product names, industry labels, and compounds.
There is a used-car shop called 'Yamada Auto' along the national highway.
I saw an advertisement for a new auto loan.
three-wheeler truck; abbr. of オート三輪
Abbreviation of オート三輪, referring to an older-style three-wheeled truck. This use is limited and historical rather than a normal modern shorthand.
See also: オート三輪
In old materials, オート sometimes appears as an abbreviation for オート三輪, a three-wheeler truck.
This door opens and closes automatically.
オート is a broad prefix meaning 'automatic' or 'car-related', while オートマ specifically means an automatic transmission or an automatic-transmission car, so they are easy to confuse but not interchangeable.
motorcycle; motorbike
automatic · automatic firearm · automatic transmission
auto race; motorcycle speedway racing (gambling sport)
motor home camping; caravanning
automatic gun
automatic door
three-wheeler truck; motor tricycle truck
semi-automatic
fully automatic
No language of origin is specified. The katakana form corresponds in meaning to 'auto' and 'automatic,' but the exact borrowing history is not specified.
autocross
auto show; motor show
auto save
auto-nurse; automated nursing device
autofill