aniline black


noun Chemistry.

the black dye obtained by the oxidation of aniline hydrochloride, used for dyeing textiles, especially cotton.

QUIZZES

ELEMENTARY SCHOOL PUNCTUATION QUIZ

Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!
Question 1 of 10
Which punctuation mark is best for this sentence? "Can I watch a movie __"
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020