リットル（リットル、riッtoru）
- liter

The Japanese word リットル is a katakana word used to measure volume, specifically the metric unit "liter." It is used to express the capacity of liquids or other substances.

⚫︎ジュースを 1 リットル買いました。 Translation: I bought 1 liter of juice. ⚫︎このペットボトルは 500 ミリリットルです。 Translation: This plastic bottle is 500 milliliters.

⚫︎ You can use リットル when talking about the volume of liquids, such as milk, water, juice, or gasoline. ⚫︎ You typically combine リットル with a number to specify the quantity. For instance, 1リットル (one liter), 2リットル (two liters), etc. ⚫︎ You can also use ミリリットル (milliliter) for smaller volumes, where 1000 milliliters equals 1 liter.

⚫︎ リットル is written in katakana: リットル ⚫︎ There are no other ways to write this word, as it is a loanword. ⚫︎ There are no variations in the okurigana because the word is entirely katakana.

There are no direct synonyms for リットル as it is a unit of measurement. However, other units of volume are: ⚫︎ ミリリットル (milliliter) ⚫︎ デシリットル (deciliter)

There aren't antonyms in the direct sense, but you could consider other units of measurement like: ⚫︎ グラム (gram) - for weight ⚫︎ メートル (meter) - for length

水は 2 リットル のボトルで売られています。 ・Translation: Water is sold in 2-liter bottles. ・Explanation: This sentence uses リットル to indicate the volume of water bottles.

ガソリンを 10 リットル 入れました。 ・Translation: I put in 10 liters of gasoline. ・Explanation: The sentence expresses how much gasoline was added, using リットル to measure the volume.

The word リットル comes from the French word "litre," which is the unit of volume. It was adopted into Japanese as a loanword and written in katakana.