LISTING AGENCY
\lˈɪstɪŋ ˈe͡ɪd͡ʒənsi], \lˈɪstɪŋ ˈeɪdʒənsi], \l_ˈɪ_s_t_ɪ_ŋ ˈeɪ_dʒ_ə_n_s_i]\
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Independent private or public standards or testing organization that assesses goods and materials based on specific criteria and gives its mark, known as listing mark, to be carried on qualifying items as a stamp of approval. Underwriters' Laboratory is such a organization.
By Henry Campbell Black
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.