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:

ortho    音标拼音: ['ɔrθ,o]
原; 直

原; 直

Ortho- \Or"tho-\ ([^o]r"th[-o]-) pref. [Gr. 'orqo`s straight;
akin to Skr. [=u]rdhva upright, v[.r]dh to grow, to cause to
grow.]
[1913 Webster]
1. A combining form signifying straight, right, upright,
correct, regular; as, orthodromy, orthodiagonal, orthodox,
orthographic.
[1913 Webster]

2. (Chem.) A combining form (also used adjectively),
designating:
(a) (Inorganic Chem.) The one of several acids of the same
element (as the phosphoric acids), which actually
occurs with the greatest number of hydroxyl groups;
as, orthophosphoric acid. Cf. {Normal}.
(b) (Organic Chem.) Connection with, or affinity to, one
variety of isomerism, characteristic of the benzene
compounds; -- contrasted with {meta-} or {para-}; as,
the ortho position; hence, designating any substance
showing such isomerism; as, an ortho compound.
[1913 Webster]

Note: In the graphic representation of the benzene nucleus
(see {Benzene nucleus}, under {Benzene}), provisionally
adopted, any substance exhibiting double substitution
in adjacent and contiguous carbon atoms, as 1 & 2, 3 &
4, 4 & 5, etc., is designated by ortho-; as,
orthoxylene; any substance exhibiting substitution of
two carbon atoms with one intervening, as 1 & 3, 2 & 4,
3 & 5, 4 & 6, etc., by meta-; as, resorcin or
metaxylene; any substance exhibiting substitution in
opposite parts, as 1 & 4, 2 & 5, 3 & 6, by para-; as,
hydroquinone or paraxylene.
[1913 Webster]


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


  • Ortho Weed and Pest Control Solutions by Scotts Miracle-Gro . . .
    Explore Ortho solutions from Scotts Miracle-Gro for controlling weeds, insects, and pests around your home and garden Learn expert tips and guidance to protect your plants and outdoor spaces effectively
  • English | QuidelOrtho
    We invite you to connect with us and explore how our diagnostic portfolio can make a difference in your healthcare setting Together, we can work toward a healthier future by leveraging advanced diagnostics to improve patient care, safety and treatment decisions
  • ORTHO Definition Meaning - Merriam-Webster
    The meaning of ORTHO is orthochromatic : derived from or being an acid in the highest hydrated or hydroxylated form known
  • ORTHO- Definition Meaning - Merriam-Webster
    The meaning of ORTH- is straight : upright : vertical How to use orth- in a sentence
  • OrthoInfo - Patient Education | AAOS
    Patients rely on OrthoInfo to help them better understand orthopaedic health issues like arthritis, broken bones, and sports injuries, plus orthopaedic treatments like joint replacement and arthroscopy
  • Southern California Mattress Store
    Experience an Ortho Mattress Today! With over 20 locations in Southern California, Ortho Mattress provides great product at even better prices
  • Ortho Weed and Pest Control Solutions by Scotts Miracle-Gro . . .
    Explore Ortho solutions for controlling weeds and insects around your home and yard Learn how to your home and outdoor spaces with expert guidance from Scotts Miracle-Gro
  • Orthobullets - www. orthobullets. com
    Over 200,000 physicians learn and collaborate together in our online community New to Orthobullets? Join for free
  • Welcome | Golden State Orthopedics Spine
    Welcome to Golden State Orthopedics Spine At Golden State Orthopedics Spine, we’re proud to offer patients compassionate care designed to restore movement and improve quality of life Our multispecialty team includes leading orthopedic surgeons, spine specialists, sports medicine doctors, pain medicine and rehabilitation experts, primary care doctors, and other specialists who work
  • Orthopaedics - Cedars-Sinai
    Rated #3 in the U S , Cedars-Sinai's orthopedic care is provided by board-certified physicians Learn about hip and knee replacements, sports medicine, trauma care, and more





中文字典-英文字典  2005-2009