HA-HA
\hˈɑːhˈɑː], \hˈɑːhˈɑː], \h_ˈɑː_h_ˈɑː]\
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a loud laugh that sounds like a horse neighing
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a ditch with one side being a retaining wall; used to divide lands without defacing the landscape
By Princeton University
Word of the day
Procollagen Proline Dioxygenase
- mixed-function oxygenase that catalyzes hydroxylation prolyl-glycyl-containing-peptide, usually in protocollagen, hydroxyprolylglycyl-peptide. The enzyme utilizes molecular oxygen with a concomitant oxidative decarboxylation of 2-oxoglutarate to succinate. EC 1.14.11.2.