Phenol

Science / Chemistry / Phenol: A group or molecule containing a benzene ring that has a hydroxyl group substituted for a ring hydrogen.
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Phenolphthalein

Science / Chemistry / Phenolphthalein: An organic compound used as an acid-base indicator. The compound is colorless in acidic solution and pink in basic solution (with the transition occuring around ph 8.3). Phenolpthalein was used for ma MORE

Phenolpthalein

Science / Chemistry / Phenolpthalein: A common misspelling of phenolphthalein. MORE

Phenol Varnish

Entertainment / Photography / Phenol Varnish: Resin used to produce a hard durable top coating. MORE

Polyphenols

Lifestyle / Tea / Polyphenols: astringent compounds present in tea MORE

Tannin

Lifestyle / Tea / Tannin: The name the tea industry uses for polyphenols contained in tea and are largely responsible for the pungency of some types of teas. MORE

Catechins

Lifestyle / Tea / Catechins: class of polyphenol present in high concentrations in green tea, but found in varying levels in other teas derived from the teaplant MORE