振動
A physical back-and-forth motion or vibration, typically periodic or repetitive. It is used to describe the shaking of machines, electronic devices like phones, or scientific phenomena like sound waves.
Examples
3 of 5携帯電話が振動しています。
The mobile phone is vibrating.
工事の振動で窓がガタガタ鳴る。
The windows are rattling due to the vibration from the construction.
このコントローラー、振動がすごいね!
The vibration on this controller is amazing, isn't it!
Word Family
Memory Tip
Think of the 'Shin' in 'Shindo' as the 'Shin' (thin/needle) moving back and forth 'Do' (dynamically)!
Quick Quiz
机の上の携帯電話が( )しています。
Correct!
The correct answer is: 振動
Examples
携帯電話が振動しています。
everydayThe mobile phone is vibrating.
工事の振動で窓がガタガタ鳴る。
formalThe windows are rattling due to the vibration from the construction.
このコントローラー、振動がすごいね!
informalThe vibration on this controller is amazing, isn't it!
音は空気の振動によって伝わります。
academicSound travels through the vibration of the air.
新製品は、動作時の振動を30%カットしました。
businessThe new product has reduced vibration during operation by 30%.
Word Family
Common Collocations
Common Phrases
振動モード
vibration mode (silent mode on a phone)
振動音
vibration noise
振動数
frequency (number of vibrations)
Often Confused With
Yure is a general term for shaking or swaying (like a boat or tree), while Shindo usually refers to mechanical or physical vibrations.
Usage Notes
It can be used as a standalone noun or as a verb by adding 'suru'. It is most commonly used in technical, scientific, or electronic contexts.
Common Mistakes
Don't use 'shindo' to describe your body shaking from cold or fear; use 'furueru' (震える) instead.
Memory Tip
Think of the 'Shin' in 'Shindo' as the 'Shin' (thin/needle) moving back and forth 'Do' (dynamically)!
Word Origin
Derived from Middle Chinese: 'Shin' (振 - shake/rouse) and 'Do' (動 - move).
Grammar Patterns
Cultural Context
In Japan, mobile phones are usually kept on 'manner mode' (vibration only) in public transport to be polite.
Quick Quiz
机の上の携帯電話が( )しています。
Correct!
The correct answer is: 振動
Related Vocabulary
Related Words
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A1The process of sending out light, heat, or energy in the form of waves or particles from a central source. It is most commonly used in scientific contexts to describe radiation or how light spreads out in all directions.
反射
A1Refers to the physical phenomenon of light, heat, or sound bouncing off a surface. It also describes an automatic and immediate physical reaction of the body to a stimulus.
屈折
A1Kussetsu refers to the refraction of waves, such as light or sound, as they pass through different media. It is also used metaphorically to describe a personality or thought process that is not straightforward, often characterized as being complex, distorted, or 'twisted'.
放出
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蒸発
A1The physical process of a liquid turning into vapor or gas, often due to heat. It is also used metaphorically to describe a person or object that suddenly and mysteriously disappears.
凝縮
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溶解
A1The process by which a solid, liquid, or gas forms a solution in a solvent. It specifically refers to a substance becoming incorporated into a liquid to create a homogeneous mixture.
凝固
A1凝固 (gyōko) refers to the physical process where a liquid changes into a solid state, typically due to cooling or a chemical reaction. It is most commonly used in scientific contexts like chemistry, geology, and medicine, such as describing blood clotting or the solidification of lava.
結晶
A1A solid material whose atoms are arranged in a regular, repeating pattern, commonly known as a crystal. It is also used metaphorically to describe the beautiful or tangible result of long-term hard work and effort.
原子
A1An atom is the basic building block of all matter and the smallest unit of a chemical element. It consists of a dense central nucleus surrounded by a cloud of negatively charged electrons.
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