Result from Foreign Dictionaries (6 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Retinol \Ret"i*nol\, n. [Gr. ??? resin + L. oleum oil.]
1. (Chem.) A hydrocarbon oil {C32H16}, obtained by the
distillation of resin, -- used as a solvent, as an
antiseptic, and in printer's ink.
[1913 Webster +PJC]
2. One of the compounds which function as vitamin A. Called
also {vitamin A}, {vitamin A1} and {vitamin A alcohol}.
See {vitamin A1}.
[PJC]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
vitamin A2 \vitamin A2\ n.
dehydroretinol ({C20H28O}), one of the substances also called
{vitamin A}. It has about 40% of the bioactivity of vitamin
A1.
Syn: dehydroretinol.
[WordNet 1.5 +PJC]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
vitamin A \vitamin A\ n.
any of several related fat-soluble vitamins (such as retinol)
essential for normal vision; it also prevents night blindness
or inflammation or dryness of the eyes.
Syn: antiophthalmic factor, axerophthol.
[WordNet 1.5]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
vitamin A1 \vitamin A1\ n.
retinol ({C20H30O}), one of the substances also called
{vitamin A}. It is also called more specifically {vitamin A
alcohol}. It is a required factor for human nutrition. The
USP unit of activity is equal to 0.30 micrograms of retinol.
Syn: retinol.
[WordNet 1.5 +PJC]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
axerophthol \axerophthol\ n.
1. a vitamin essential for normal vision ({C20H30O}); it
prevents night blindness or inflammation or dryness of the
eyes; same as {vitamin A}. One U.S.P. unit of vitamin A is
equivalent to 0.30 micrograms of pure vitamin A alcohol.
Syn: vitamin A; vitamin A alcohol; antiophthalmic factor;
biosterol; retinol; A.
[WordNet 1.5 +PJC]
From WordNet (r) 3.0 (2006) [wn]:
vitamin A
n 1: any of several fat-soluble vitamins essential for normal
vision; prevents night blindness or inflammation or dryness
of the eyes [syn: {vitamin A}, {antiophthalmic factor},
{axerophthol}, {A}]
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
