a. (Chem.) (a) Pertaining to, derived from, or related to, naphthalene; -- formerly used to denote any one of a series of acids derived from naphthalene, and called naphthalene acids, now specifically referring to 1, 8-naphthalenedicaboxylic acid, C12H8O4. (b) Formerly, designating an acid probably identical with phthalic acid. [ 1913 Webster +PJC ]
a. [ Naphthalene + -ic. ] (Chem.) Pertaining to, or designating, a dibasic acid obtained by the oxidation of naphthalene and allied substances. [ 1913 Webster ]
Phthalic acid (Chem.), a white crystalline substance, C6H4.(CO2H)2, analogous to benzoic acid, and employed in the brilliant dyestuffs called the phthaleins. [ 1913 Webster ]
a. [ Terebene + phthalic. ] (Chem.) Of, pertaining to, or designating, a dibasic acid of the aromatic series, metameric with phthalic acid, and obtained, as a tasteless white crystalline powder, by the oxidation of oil of turpentine; -- called also paraphthalic acid. Cf. Phthalic. [ 1913 Webster ]
You know the meaning of this word? click [add this word] to add this word to our database with its meaning, to impart your knowledge for the general benefit
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
