Copyright © 2026 Kotomora. All Rights Reserved.
添加 (てんか) Japanese meaning | Kotomora
Common word JLPT N1 Freq. Frequency Top 20,000 Conjugation Meanings 1
noun, noun or participle which takes 'suru', transitive verb
addition ; adding ; adding on
Often used for adding a substance, ingredient, chemical, or small component to something; 添加する is transitive and commonly appears in technical, food, chemical, and product-description contexts. The English gloss 'annexing' is best understood here as adding something on or appending it, not necessarily political annexation.
溶よう 液えき に 少しょう 量りょう の 酸さん を 添てん 加か する 。
Add a small amount of acid to the solution.
Written forms 添てん 加か Usage 99%
Standard kanji spelling for this Sino-Japanese noun and する verb.
てんか Usage 1%
Kanji 添 annexed, accompany, marry Similar words 追つい 加か More general for adding something extra or later, such as an item, person, function, or information; 添加 is more often used for adding a component or substance into something.
加くわ える A broad everyday verb meaning 'to add' or 'to include'; 添加する is more formal or technical and often suggests adding a specific ingredient, chemical, or additive.
混こん 入にゅう Means something is mixed in, often accidentally or undesirably; 添加 usually describes intentional addition.
Etymology A Sino-Japanese compound written with 添, associated with attaching or adding, and 加, associated with adding or increasing. This is a useful component explanation rather than a claim about the word's exact historical formation.
