Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Naphthalene \Naph"tha*lene\, n. (Chem.)
A white crystalline aromatic hydrocarbon, {C10H8}, analogous
to benzene, and obtained by the distillation of certain
bituminous materials, such as the heavy oil of coal tar. It
is the type and basis of a large number of derivatives among
organic compounds. Formerly called also {naphthaline}.
[1913 Webster]
{Naphthalene red} (Chem.), a dyestuff obtained from certain
diazo derivatives of naphthylamine, and called also
{magdala red}.
{Naphthalene yellow} (Chem.), a yellow dyestuff obtained from
certain nitro derivatives of naphthol.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
naphthalene
n 1: a white crystalline strong-smelling hydrocarbon made from
coal tar or petroleum and used in organic synthesis and as
a fumigant in mothballs
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
