simple past tense and past participle of burp

plural of cyclopentadienyl complex

(mathematics) A conjecture concerning the relationship between the locations of roots and critical points of a polynomial function of a complex variable. It states that for a polynomial f(z)=(z-r_1...

(organic chemistry, countable) Any of various hydroxy, carbonyl or carboxylic acid derivatives of carotenes. / (organic chemistry, uncountable) Lutein.