radical
1
9.9
- noun
- /ˈrædɪkəl/
- Specialized
:
radical
- In many kanji, the radical helps to categorize the meaning, such as the radical for tree, which suggests something related to nature.
- the same radical
Examples
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Every Chinese character starts with a radical, a simple character squished into a more complex one.
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Most kanji dictionaries will list all the radicals somewhere and order them by stroke order.
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- It should be the radical for water.
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This is the radical for wood.
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But how do you know what the radical is for a kanji?
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The more you look up, the easier it will be to identify radicals.
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The first character, "thin," shares the same radical as "ill," "disease," "sore," and "ache."
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Jisho uses the official radicals plus a few extra.
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When it comes to paper kanji dictionaries, you only get one shot at choosing the correct radical.
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The radical for fire is commonly depicted as a flame in Chinese characters.
Compounds
- Specialized
8
5.1
A small unstable atom or molecule that can damage body cells by reacting with them
- Specialized
3
6.1
Surgery that removes a breast, chest muscles, and lymph nodes under the armpit to treat breast cancer
- Specialized
1
7.2
Surgery that removes the womb, ovaries, fallopian tubes, cervix, and nearby lymph nodes to treat cancer
- Specialized
1
6.8
A surgery that removes a breast with nearby chest muscle and some armpit lymph nodes
- Specialized
A small chemical group formed when toluene loses one hydrogen atom from its methyl part
- Specialized
A small chemical group made of one carbon and one nitrogen atom written as -CN
- Specialized
A small chemical group made of one carbon and one nitrogen atom that attaches to other molecules, written as −CN
- Specialized
A small group of atoms from acetic acid that can attach to other molecules
- Specialized
A carbon atom double-bonded to oxygen and single-bonded to hydrogen
- Specialized
A group of carbon and hydrogen atoms that attaches to a molecule with one free bond
- Specialized
A small, reactive part of a molecule with three carbon atoms and one unpaired electron
- Specialized
A chemical group with two nitrogen atoms that links two carbon chains and gives bright colours to dyes
- Specialized
A small chemical group made of three nitrogen atoms that carries a negative charge
- Specialized
A part of a molecule used in chemistry, formed from the acid in vinegar, written CH3CO
- Specialized
A small reactive group of two carbon and five hydrogen atoms that forms when ethane loses one hydrogen atom
- Specialized
A very reactive group of one carbon and two hydrogen atoms that exists briefly in chemical reactions
- Specialized
A very active group of one carbon and three hydrogen atoms with formula CH3, formed when methane loses one hydrogen
- Specialized
A small chemical part made of one oxygen and one hydrogen atom that reacts quickly
- Specialized
A small chemical group made of two nitrogen atoms and hydrogen that can attach to a molecule at two places
- Specialized
A small reactive part of a molecule made from propane when it loses one hydrogen
- Specialized
A charged particle made of uranium and oxygen that forms salts with acids
- Specialized
A small chemical group with formula CH2=CH− that reacts easily in making plastics
Surface Forms
Etymology
Radical comes from the Latin radix, meaning 'root'. In Chinese and Japanese writing, a radical is the part of a character that gives its basic meaning, like the character's 'root'.