(n) a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB), Syn.metathesis, double decomposition reaction
The Collaborative International Dictionary of English (GCIDE) v.0.53
n.; pl.Metatheses [ L., fr. Gr. meta`qesis, fr. metatiqe`nai to place differently, to transpose; meta` beyond, over + tiqe`nai to place, set. See Thesis. ] 1. (Gram.) Transposition, as of the letters or syllables of a word; as, pistris for pristis; meagre for meager. [ 1913 Webster ]
2. (Med.) A mere change in place of a morbid substance, without removal from the body. [ 1913 Webster ]
3. (Chem.) The act, process, or result of exchange, substitution, or replacement of atoms and radicals; thus, by metathesis an acid gives up all or part of its hydrogen, takes on an equivalent amount of a metal or base, and forms a salt. [ 1913 Webster ]
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
