trinacriform

English

Adjective

trinacriform (not comparable)

1. (rare) Having three prongs or sharp points.
   • 1998 Spring, Peng Hua, Wang Yin-zheng, “A New Species of Ligusticum L. (Apiaceae) from Yunnan Province, China”, in Novon, volume 8, number 1, St. Louis, M.O.: Missouri Botanical Garden, →DOI, →ISSN, →JSTOR, page 50, column 2:

     However, it differs from the latter in often having trinacriform bracteoles, elliptic to suborbicular fruits 5-6 long mm and 4-4.5 mm wide, solitary vittae in the lateral furrow and 4 on the commissure, 5-toothed calyx, and oblong purplish petals.

   • 2022 August 17, Xiaopeng Zou, Jing Hu, Ming Zhao, Chunjun Qin, Yuntao Zhu, Guangzong Tian, Juntao Cai, Peter H. Seeberger, Jian Yin, “Chemical Synthesis of the Highly Sterically Hindered Core Undecasaccharide of Helicobacter pylori Lipopolysaccharide for Antigenicity Evaluation with Human Serum”, in Journal of the American Chemical Society, volume 144, number 32, Washington, D.C.: American Chemical Society, →DOI, →ISSN, →OCLC, page 14535:

     The high steric hindrance induced by the high carbon sugars and trinacriform architecture required that the core undecasaccharide was synthesized through a finely tuned linear assembly [2 + (1 + (3 + (1 + (1 + 3))))] rather than convergent strategies.

References

• “trinacriform”, in Collins English Dictionary.