radicals
英 ['rædɪklz] 美 ['rædɪklz]

n.

激进分子( radical的名词复数 )；根基；基本原理；[数学]根数

英英释义

radical

• n.
  • (chemistry) two or more atoms bound together as a single unit and forming part of a molecule

    同义词：groupchemical group

  • an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule

    "in the body free radicals are high-energy particles that ricochet wildly and damage cells"

    同义词：free radical

  • a person who has radical ideas or opinions
  • a character conveying the lexical meaning of a logogram
  • a sign placed in front of an expression to denote that a root is to be extracted

    同义词：radical sign

  • (linguistics) the form of a word after all affixes are removed

    同义词：rootroot wordbasestemtheme

• adj.
  • (used of opinions and actions) far beyond the norm

    "radical opinions on education"

    同义词：extremistultra

  • markedly new or introducing radical change

    "radical political views"

    同义词：revolutionary

  • arising from or going to the root

    "a radical flaw in the plan"

  • of or relating to or constituting a linguistic root

    "a radical verb form"

  • especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem

    "radical leaves"

    同义词：basal

词组短语

free radical[化]自由基；游离基

radical polymerization游离基聚合；游离基引发聚合反应

radical mastectomy n. 根治性乳房切除术

radical operation根治手术

free radical polymerization自由游离基（引发）聚合

sulfate radical硫酸根

radical prostatectomy根治性前列腺切除术

acid radical n. 酸基，酸根

radical scavenger游离基清除剂

free radical reaction自由基反应

更多收起词组短语

双语例句

1. In some cases free radicals can be detected.
   在某些情况下可以测出自由基来。
2. The free radicals may also disrupt other parts of cells directly.
   这些自由基也可能会直接破坏细胞的其他地方。

权威例句

Free radicals in biology and medicine
The biology of oxygen radicals
The biology of oxygen radicals
Free Radicals in the Physiological Control of Cell Function
Oxygen-derived free radicals in postischemic tissue injury.
Free radicals, metals and antioxidants in oxidative stress-induced cancer.
Oxygen toxicity, oxygen radicals, transition metals and disease.
Antioxidant determination by use of stable free radicals
Dietary carcinogens and anticarcinogens. Oxygen radicals and degenerative diseases.
2006 Mar 10;160(1):1-40. Epub 2006 Jan 23. Free radicals, metals and antioxidants in oxidative stress-induced cancer.