How to Write 脒 (mǐ) — Meaning “amidine”

Imagine the moon (月) shining over a rice field (米), and the chemical reaction produces a substance called amidine. The sound 'mǐ' is like 'me' — think 'me, the chemist' to recall the character.

Stroke order: first write the left radical 月 with 4 strokes (left vertical, two horizontals, vertical hook), then the right part 米 with 6 strokes (dot, left diagonal, right diagonal, vertical, left diagonal, right diagonal). A common mistake is making the 米 part too wide or misplacing the vertical hook in 月—keep 月 narrow and 米 balanced.

Compared to 朊 (ruǎn, protein), 脒 has 米 on the right instead of 元, and both are chemical terms but refer to different substances. Compared to 朋 (péng, friend), 脒 has a single 月 plus 米, while 朋 is two 月 side by side, and their meanings are completely unrelated.

脒 is a specialized chemical character used mainly in scientific terms like 脒基 (amidine group), 乙脒 (acetamidine), and 苯脒 (benzamidine). It is not part of everyday vocabulary or HSK, and appears in biochemistry, pharmaceuticals, and organic chemistry contexts.

Common words containing 脒 include: 脒基 (mǐ jī) — amidine group; 乙脒 (yǐ mǐ) — acetamidine; 苯脒 (běn mǐ) — Benzamidine.