tài
noun #94,078

Meanings

  1. 1 phthalein (a class of organic compounds used as dyes and indicators)

Examples

HSK 7-9
Fēntài zài jiǎnxìng róngyè zhōng biàn hóng.
Phenolphthalein turns pink in an alkaline solution.
HSK 7-9
苯酚邻苯二甲酸酐缩合
Tài lèi yóu běnfēn yǔ línběn'èrjiǎsuāngān suōhé ér chéng.
Phthaleins are made by condensing phenols with phthalic anhydride.

Tips

usage
A chemistry term. You'll see it almost only as part of compound names like 酚酞 (phenolphthalein, the classic pink acid-base indicator). The wine-jar radical marks it as a fermentation/chemistry character, used here for organic compounds.

Components

radical
yǒu
wine vessel; fermentation
The radical pictures a wine jar and historically marks fermentation and alcohol; in modern chemistry vocabulary it brands organic-compound characters like this one.
phonetic
tài
too; extremely
Supplies the sound exactly: standalone reads tài, matching this character. It was chosen as a clean phonetic for coining a chemistry term.

Stroke Order

tài