微細な（びさいな、bisaina）
- tiny

The Japanese word 微細な (びさいな) describes something that is minute, tiny, subtle, delicate, or fine. It implies a smallness or fineness that is often difficult to perceive or measure easily. It can relate to physical objects, details, or even abstract concepts. The word suggests a level of detail or precision. The meaning of 微細な is similar to “very small” or "delicate" in English.

⚫︎微細な粒子 Translation: Fine particles ⚫︎微細な違い Translation: Subtle difference ⚫︎微細な加工 Translation: Delicate processing

微細な is used to describe something that is almost imperceptible due to its small size, subtle nature, or delicate structure. It can be used in various contexts, such as: ⚫︎ Describing the details of an artwork ⚫︎ Talking about tiny particles in science ⚫︎ Discussing nuances in a person's behavior ⚫︎ Describing very small objects When you want to emphasize the fineness or delicacy of something, 微細な is a good choice.

微細な is written as: ⚫︎ Kanji: 微細な ⚫︎ Hiragana: びさいな There are no other common ways to write this word. The okurigana (送りがな) is always "な" because it is an adjective.

⚫︎ 細かい (こまかい): Fine, detailed, small ⚫︎ 小さい (ちいさい): Small ⚫︎ わずかな (わずかな): Slight, a little ⚫︎ 繊細な (せんさいな): Delicate, sensitive ⚫︎ 精巧な (せいこうな): Exquisite, elaborate

⚫︎ 粗い (あらい): Coarse, rough ⚫︎ 大きい (おおきい): Big, large ⚫︎ 大まかな (おおまかな): Roughly, broadly

顕微鏡で微細な構造を観察した。 ・Translation: I observed the minute structure with a microscope. ・Explanation: This sentence uses 微細な to describe the small details that were observed using a microscope.

彼の微細な表情の変化から、彼は困っていることが分かった。 ・Translation: From the subtle changes in his facial expression, I understood that he was in trouble. ・Explanation: This sentence describes how subtle changes in facial expressions can communicate a person's feelings, using 微細な to describe how small those changes were.

The word 微細な is derived from the kanji 微 (び), meaning "minute," "tiny," or "subtle," and 細 (さい), meaning "fine," "delicate," or "detailed." The suffix "な" indicates that it is an adjective. Therefore, the combination of these characters precisely represents the meaning: something is finely detailed, or is very minute.