n. [ From native name of the Calabar bean: cf. F. ésérine. ] (Chem.) An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil. [ 1913 Webster ]
n. [ L. sericus silken. ] (Chem.) one of the natural L-amino acids, obtainable as a white crystalline nitrogenous substance by the action of dilute sulphuric acid on silk gelatin. It is found in many proteins, and, having a free primary hydroxyl group on the side chain, is involved in the catalytic action at the active site of some enzymes, such as proteases. The IUPAC abbreviation for serine in protein sequences is Ser. Chemically it is 2-amino-3-hydroxy-propanoic acid (C3H7NO3), HO.CH2.CH(NH2).COOH. [ 1913 Webster +PJC ]
English-Thai: HOPE Dictionary [with local updates]
[るり, ruri] (n) (1) lapis lazuli; (2) (abbr) (See 瑠璃色) lapis lazuli (color); (3) (abbr) (See 吠瑠璃) beryl; (4) (abbr) (See 小瑠璃, 大瑠璃, 瑠璃鶲) mall blue passerine bird (esp. the blue-and-white flycatcher and the Siberian blue robin, but also the red-flanked bluetail); (5) (obsc) glass #16,484[Add to Longdo]
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
