breaking in; running in; accustomizing
Refers to the process of gradually getting a machine, engine, or living thing used to normal operation or a new environment. Common in automotive, mechanical, and animal training contexts.
新車のエンジンは慣らし運転が必要だ。
A new car's engine needs a break-in period.
子
It takes time to accustom a puppy to its new home.
preparatory activity; warm-up; practice run
practice; warm-up; exercise
warming up; limbering up
walking practice; getting one's legs into shape · warm-up; preparation
gradual entry into nursery/preschool; settling-in period; phase-in
Standard kanji spelling for the noun form of 慣らす, used for breaking in, running in, or accustomizing.
Katakana spelling, sometimes used for emphasis or in technical contexts.
Alternate kanji spelling, less common than 慣らし. May appear in older or literary contexts.
Noun form of the verb 慣らす (ならす, 'to accustom, to break in'), which is the transitive form of 慣れる (なれる, 'to get used to'). The kanji 慣 carries the core meaning of 'becoming accustomed'.