radical

radical是什么意思

noun

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

e.g. thematic vowels are part of the stem

Synonym: rootroot wordbasestemtheme

2. a character conveying the lexical meaning of a logogram

3. a person who has radical ideas or opinions

4. (mathematics) a quantity expressed as the root of another quantity

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

Synonym: groupchemical group

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

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

Synonym: free radical

adj

1. 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

e.g. basal placentation
radical leaves

Synonym: basal

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

e.g. extremist political views
radical opinions on education
an ultra conservative

Synonym: extremistultra

3. markedly new or introducing radical change

e.g. a revolutionary discovery
radical political views

Synonym: revolutionary

4. arising from or going to the root or source

e.g. a radical flaw in the plan

5. of or relating to or constituting a linguistic root

e.g. a radical verb form

1. 重大的;根本的;基本的;彻底的
Radical changes and differences are very important and great in degree.

e.g. The country needs a period of calm without more surges of radical change...
国家需要一段时间的稳定，其间不要再有重大的变革。
e.g. The Football League has announced its proposals for a radical reform of the way football is run in England.
足联宣布了它关于对目前英格兰足球运作方式进行彻底改革的提议。

2. 激进的；激进派的
Radical people believe that there should be great changes in society and try to bring about these changes.

e.g. ...threats by left-wing radical groups to disrupt the proceedings.
来自于左翼激进团体可能破坏会议进程的威胁
e.g. ...political tension between radical and conservative politicians.
激进派和保守派政治人士之间的紧张对峙

1. radical

1. 基：当芯片浸在电浆之中,暴露在电将之表面层原子或分子与电浆中之活性原子接触并发生反应形成气态生成物而离开晶面造成蚀刻,此类蚀刻即称之为电浆蚀刻. 所谓电浆极为气体分子在一电场中被游离成离子(正、负电荷)、电子及中性基(Radical)等

2. radical的近义词

2. 激进的：不管突然的(sudden)和激进的(radical)变动是来自右翼还是左翼,古典保守派几乎都同样反对. 例如,保守派一般与一些欧洲的共和国中希望恢复君主制的右翼团体或是那些在美国希望以官方的形式把基督教建立为国教的右翼团体保持了相当的距离,

3. radical什么意思

3. 词根：通过对词根(radical)或语义要素(semantic element)的组合,单个的复合词可表达复杂的概念关系,通常具有一种抽象普遍之特征. 那些(tlamatinime)(饱学之士)得以利用这个由抽象语汇构成的丰富宝库来表达其思想的精妙内涵. 此外,