This is commonly referred to in English as either a "license plate" or "number plate". It seems that the Japanese and the English word to explain the sign that is placed on the front and back of a car with the car's registration number on it are the same. However, in English it is often called a "license plate" also.
Native speakers call it like this: “liscense plate”.
There are lots of other ways to say it, but this one is the most accurate and most commonly used.
Here is an example on how to use this in a conversation:
A: That guy just hit us with his car and drove off!
B: Don't worry, I memorised his liscense plate.
ネイティブスピーカーは“liscense plate”(ナンバープレート)と言います。
他にもいろいろな言い方がありますが、これが最も正確で一般的です。
以下は会話での使用例です。
A: That guy just hit us with his car and drove off!
あの車に当て逃げされた!
B: Don't worry, I memorised his liscense plate.
心配しないで。ナンバープレートを覚えたから。
"License Plates"
This is the official term in the U.S. It is used for motorcycles or cars. This is the most common way of referring to this item.
"Car Plates" this is an alternate way of saying license plates. This is a more specific way of saying it , in this case you would be referring specifically to a car, if it was for a motorcycle it would be a "bike plate".
The plates that cars are required to have for registration legally is "license plates." Informally, they are referred to as "plates." I hope that this helps! :)
The most common word for it is "number plate."
All cars have a number plate with an individual registration number.
When asking for the number on the plate, you can ask, "what is your cars registration number?"
最も一般的な言い方は"number plate"(ナンバープレート)です。
全ての車にはそれぞれのナンバーが書かれた"number plate"が付いています。
車のナンバーを尋ねるときには、
"What is your cars registration number?"(あなたの車のナンバーを教えてください)と聞けます。
「ナンバープレート」という言葉を英語で伝えると、「license plate」と「number plate」と「car plate」という言葉を使っても良いと考えました。「Plate」は「プレート」という意味があります。他の場合に、「皿」という意味もあります。「License」は「免許」で、「number」は「数字」です。「Car」は「車」という意味があります。例えば、「I wrote down the license plate number after the accident.」という文章を使っても良いです。「Wrote down」は「書いた」という意味があって、「accident」は「事故」という意味があります。
A "plate number" or "license plate" is a vehicle registration number shows on the front and back bumper of your car and is normally required for all vehicles that are on the road.
The sign in front of and behind a car with the car's registration number on it is called:-
1. Number plate (In Austraila)
2. License plate (In USA)
They are both the same thing, but it depends on what country you are in.
自動車の前と後ろに付いている登録番号が書かれた板(ナンバープレート)のことは、
1. Number plate(オーストラリア)
2. License plate(アメリカ)
といいます。
これらはどちらも同じ意味です、国によって言い方が変わります。