Translation guide
The English verb 'transmit' covers sending signals, data, diseases, and abstract qualities. Japanese uses different verbs depending on what is being transmitted. This guide organizes the most common meanings for learners.
To send information electronically or via waves
The most common and neutral verb for transmitting data, signals, or messages electronically.
データを送信しました。
I transmitted the data.
This device transmits radio waves.
Often used in technical contexts for transmitting signals or data over a distance, like in telecommunications.
光ファイバーで信号を伝送する。
Signals are transmitted via optical fiber.
Emphasizes the origin point of a transmission, like sending out a signal or message.
緊急信号を発信した。
They transmitted an emergency signal.
To spread an illness from one person to another
The standard way to say 'transmit an infection'. Literally 'cause infection'.
蚊がマラリアを感染させることがある。
Mosquitoes can transmit malaria.
Casual, everyday verb for passing on a cold or illness to someone.
風邪を人にうつさないようにマスクをする。
I wear a mask so I don't transmit my cold to others.
Used for vectors like insects or animals that carry and transmit diseases.
このダニはウイルスを媒介する。
This tick transmits the virus.
To communicate an abstract concept or emotion
Broad verb for conveying feelings, thoughts, or information. Works in most contexts.
彼の言葉は温かさを伝えていた。
His words transmitted warmth.
この絵は悲しみを伝えている。
This painting transmits sadness.
Intransitive; used when the feeling or idea is transmitted (by itself) or is understood.
To transfer energy or motion from one part to another
Standard technical term for transmitting power, torque, or signals in engineering.
エンジンの動力を車輪に伝達する。
The engine transmits power to the wheels.
Specifically refers to transmitting motion, often used in mechanical engineering.
ベルトが回転を伝動する。
The belt transmits rotation.
To allow energy to pass through a substance
Used in physics for conduction of heat or electricity.
金属は熱をよく伝導する。
Metal transmits heat well.
For light or sound passing through a material; emphasizes going through rather than being absorbed.
ガラスは光を透過する。
Glass transmits light.
伝える is for abstract things like feelings or messages in a general sense. 送信する is specifically for electronic transmission of data or signals. Don't use 送信する for transmitting a cold or an emotion.
伝送する is only for signals/data. For diseases, use 感染させる or うつす. Using 伝送する for illness sounds unnatural.
ウイルスを感染させる
to transmit a virus
彼の熱意がよく伝わった。
His enthusiasm was transmitted clearly.