英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

camphol    
n. 龙脑

龙脑

Borneol \Bor"ne*ol\, n. [Borneo -ol.] (Chem.)
A rare variety of camphor, {C10H17.OH}, resembling ordinary
camphor, from which it can be produced by reduction. It is
said to occur in the camphor tree of Borneo and Sumatra
({Dryobalanops camphora}), but the natural borneol is rarely
found in European or American commerce, being in great
request by the Chinese. Called also {Borneo camphor}, {Malay
camphor}, and {camphol}.
[1913 Webster]


Camphol \Cam"phol\, n. [Camphor -ol.] (Chem.)
See {Borneol}.
[1913 Webster]


Camphor \Cam"phor\ (k[a^]m"f[~e]r), n. [OE. camfere, F. camphre
(cf. It. canfora, Sp. camfora, alcanfor, LL. canfora,
camphora, NGr. kafoyra`), fr. Ar. k[=a]f[=u]r, prob. fr. Skr.
karp[=u]ra.]
1. A tough, white, aromatic resin, or gum, obtained from
different species of the {Laurus} family, esp. from
{Cinnamomum camphara} (the {Laurus camphora} of
Linn[ae]us.). Camphor, {C10H16O}, is volatile and
fragrant, and is used in medicine as a diaphoretic, a
stimulant, or sedative.
[1913 Webster]

2. originally, a gum resembling ordinary camphor, obtained
from a tree ({Dryobalanops aromatica} formerly
{Dryobalanops camphora}) growing in Sumatra and Borneo;
now applied to its main constituent, a terpene alcohol
obtainable as a white solid {C10H18O}, called also {Borneo
camphor}, {Malay camphor}, {Malayan camphor}, {camphor of
Borneo}, {Sumatra camphor}, {bornyl alcohol}, {camphol},
and {borneol}. The isomer from {Dryobalanops} is
dextrorotatory; the levoratatory form is obtainable from
other species of plants, and the racemic mixture may be
obtained by reduction of camphor. It is used in perfumery,
and for manufacture of its esters. See {Borneol}.
[1913 Webster PJC]

Note: The name camphor is also applied to a number of bodies
of similar appearance and properties, as {cedar
camphor}, obtained from the red or pencil cedar
({Juniperus Virginiana}), and {peppermint camphor}, or
{menthol}, obtained from the oil of peppermint.
[1913 Webster]

{Camphor oil} (Chem.), name variously given to certain
oil-like products, obtained especially from the camphor
tree.

{Camphor tree}, a large evergreen tree ({Cinnamomum
Camphora}) with lax, smooth branches and shining
triple-nerved lanceolate leaves, probably native in China,
but now cultivated in most warm countries. Camphor is
collected by a process of steaming the chips of the wood
and subliming the product.
[1913 Webster]


请选择你想看的字典辞典:
单词字典翻译
Camphol查看 Camphol 在百度字典中的解释百度英翻中〔查看〕
Camphol查看 Camphol 在Google字典中的解释Google英翻中〔查看〕
Camphol查看 Camphol 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Coachella Valley Music Arts Festival
    Pair your festival passes with a local hotel or resort to make all the planning easy Plus, add a shuttle pass for easy transportation
  • Coachella Valley Music Arts Festival
    Hotel Packages GA or VIP festival passes with Coachella Shuttle service and shack up at one of our hand-selected hotels
  • Coachella Valley Music Arts Festival
    Wristband Mobile Info Download Explore Download Install the Coachella Mobile App for your iOS and Android devices to get the latest updates directly from Coachella, register your wristband, choose your custom lineup and unlock more fun on-site
  • Coachella Valley Music and Arts Festival
    YouTube Originals and Coachella have partnered to create a feature-length documentary “Coachella: 20 Years in the Desert ” Watch now only on YouTube The documentary features two decades in the making, opening up the vault for the very first time to present the performances and behind-the-scenes stories that shaped the music festival The film gives a rare look at Coachella’s colorful
  • Coachella Valley Music Arts Festival
    Go live in the desert with the official Coachella livestream April 10-12 and 17-19 Enjoy a front-row view of performances from your favorite artists, only on YouTube With 7 stages streaming live, there’s always an incredible set to catch Head to the official Coachella YouTube channel so you don’t miss a beat
  • Coachella Valley Music Arts Festival
    Hotel Packages bundle local hotel accommodations with festival passes and Coachella Shuttles passes and are on sale now via 100x Hospitality for Weekend One and Weekend Two Includes three- or four-night stay for two, three or four people at a participating resort Three night packages check in on Friday, four night packages check in on Thursday
  • Coachella Valley Music Arts Festival
    Coachella Art and Music Festival is committed to creating a safe, comfortable, and family-friendly experience for our guests The following actions may result in ejection from the event:
  • Coachella Valley Music Arts Festival
    See you in the desert April 9-11 amp; April 16-18, 2027
  • Coachella Valley Music Arts Festival
    Coachella’s curators scour the globe for artists, architects, and designers to transform the Empire Polo Field Newly-commissioned, large scale art installations and returning favorites offer fans art as landmark, public space, and icon—to be viewed from perspectives as diverse and dynamic as Coachella’s lineup of performers
  • Coachella 2027 Enhanced Experiences
    Shuttles get you there effortlessly Move through the festival valley with ease Our exclusive shuttle passes offer stress-free transportation to every Coachella valley hotspot, keeping you and your group on time and fully in the moment all weekend With Any Time, Any Line or scheduled departure service, simply hop on, relax, and enjoy seamless travel Plus, take the hassle out of your airport





中文字典-英文字典  2005-2009