POSTMARK
\pˈə͡ʊstmɑːk], \pˈəʊstmɑːk], \p_ˈəʊ_s_t_m_ɑː_k]\
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By Princeton University
By DataStellar Co., Ltd
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The mark, or stamp, of a post office on a letter, giving the place and date of mailing or of arrival.
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To mark with a post-office stamp; as, to postmark a letter or parcel.
By Oddity Software
By William Dodge Lewis, Edgar Arthur Singer
By William Hand Browne, Samuel Stehman Haldeman
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.