单词：phthalein
音标：['θæli:n, -liin; 'fθæl-] ；
n. [化]酞(亦作phthaleine)
n. One of a series of artificial organic dyes made as
condensation products of the phenols with phthalic acid, and well
represented by phenol phthalein. Their alkaline solutions are
fluorescent.
condensation products of the phenols with phthalic acid, and well
represented by phenol phthalein. Their alkaline solutions are
fluorescent.