Advertisement

radical (adj.)

14世纪末, 在中世纪哲学意义上, 来自拉丁语晚期 radicalis “根的或有根的”, 来自拉丁语 radix (genitive radicis) “根” (来自PIE根 *wrād- “分支, 根” ). 意义为“走向起源, 必不可少”, 来自1650年代. 数学中的 Radical sign, 来自1680年代.

政治意义上的“改革派” (通过“从根本上改变” 的概念) 最早记载于1802年(n.), 1817年(adj.), 英国自由党极端派(radical reform, 自1786年以来一直是现行用语); 意义上的“不拘一格” 来自1921年. 美国青年俚语的使用是从1983年开始的, 来自70年代的冲浪者俚语, 意思是“在控制的极限”. Radical chic 是从1970年开始考证的; 即使不是由Tom Wolfe创造的, 也是由Tom Wolfe普及的. Radical empiricism 是1897年由William James创造的(见 empiricism).

radical (n.)

16世纪30年代, “词根部分, 来自 radical (副词) 政治意义从1802年开始; 化学意义从1816年开始.

Others are reading

Advertisement
Advertisement
Definitions of radical
1
radical (n.)
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule;
Synonyms: group / chemical group
radical (n.)
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;
in the body free radicals are high-energy particles that ricochet wildly and damage cells
Synonyms: free radical
radical (n.)
a person who has radical ideas or opinions;
radical (n.)
(mathematics) a quantity expressed as the root of another quantity;
radical (n.)
a character conveying the lexical meaning of a logogram;
radical (n.)
(linguistics) the form of a word after all affixes are removed;
Synonyms: root / root word / base / stem / theme
2
radical (adj.)
(used of opinions and actions) far beyond the norm;
radical opinions on education
Synonyms: extremist / ultra
radical (adj.)
markedly new or introducing radical change;
radical political views
Synonyms: revolutionary
radical (adj.)
arising from or going to the root or source;
a radical flaw in the plan
radical (adj.)
of or relating to or constituting a linguistic root;
a radical verb form
radical (adj.)
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
Synonyms: basal
From wordnet.princeton.edu