QUATREFOIL
\kwˈatɹɪfˌɔ͡ɪl], \kwˈatɹɪfˌɔɪl], \k_w_ˈa_t_ɹ_ɪ_f_ˌɔɪ_l]\
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Four-cusped figure, esp. as opening in architectural tracery, resembling symmetrical four-lobed leaf or flower. [old French]
By Sir Augustus Henry
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.