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1 radical

chemistry Two or more atoms bound together as a single unit and forming part of a molecule.

synonyms: chemical group, group.

Roget 658: improvement; amelioration, melioration; betterment; mend, amendment, emendation; mending etc. v.; advancement; advance etc. (progress) ... show more

Polish: grupa, grupa funkcyjna, podstawnik

2 radical

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.

synonym: free radical.

Dutch: radicaal
Polish: rodnik, wolny rodnik

3 radical

A person who has radical ideas or opinions.

Polish: radykalista, radykał, ultras, ekstremista

4 radical

mathematics A quantity expressed as the root of another quantity.

5 radical

A character conveying the lexical meaning of a logogram.

6 radical

linguistics The form of a word after all affixes are removed.

synonyms: base, root, root word, stem, theme.

Dutch: stam
Polish: morfem leksykalny, pień, pierwiastek, rdzeń


1 radical

used of opinions and actions Far beyond the norm:
— Radical opinions on education.

synonyms: extremist, ultra.

Roget 153: caused etc. v.; causal, original; primary, primitive, primordial; aboriginal; protogenal; radical; embryonic, embryotic; in embryo, ... show more

Roget 642: important; of importance etc. n.; momentous, material; to the point; not to be overlooked, not to be despised, not to be sneezed at; egregious; weighty etc. (influential) ... show more

Roget 52: complete, entire; whole etc. 50; perfect etc. 650; full, good, absolute, thorough, plenary; solid, ... show more

Roget 5: derived from within, subjective; intrinsic, intrinsical; fundamental, normal; implanted, inherent, essential, natural; innate, inborn, inbred, ingrained, ... show more

Roget 84: numeral, complementary, divisible, aliquot, reciprocal, prime, relatively prime, fractional, decimal, figurate, incommensurable.    proportional, exponential, logarithmic, ... show more

Polish: krańcowy, skrajny

2 radical

Markedly new or introducing radical change:
— Radical political views.

synonym: revolutionary.

Polish: rewolucyjny

3 radical

Arising from or going to the root or source.

4 radical

Of or relating to or constituting a linguistic root.

Polish: rdzenny

5 radical

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.

synonym: basal.

Moby thesaurus: Bolshevik, Bolshevist, Fabian, Gospel side, IC analysis, Jacobin, Kekule formula, Wobbly, ab ovo, aboriginal, absolute, accidence, acid, acidity, advanced, affix, affixation, agent, agitator, algorismic ... show more.

Find more on radical elsewhere: etymology - rhymes - Wikipedia.

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