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radical
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- Radical - a. - Of or pertaining to the root; proceeding directly from the root.
- Radical - a. - Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party.
- Radical - a. - Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs.
- Radical - a. - Proceeding from a rootlike stem, or one which does not rise above the ground; as, the radical leaves of the dandelion and the sidesaddle flower.
- Radical - a. - Relating, or belonging, to the root, or ultimate source of derivation; as, a radical verbal form.
- Radical - a. - Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below.
- Radical - n. - A primitive word; a radix, root, or simple, underived, uncompounded word; an etymon.
- Radical - n. - A primitive letter; a letter that belongs to the radix.
- Radical - n. - One who advocates radical changes in government or social institutions, especially such changes as are intended to level class inequalities; -- opposed to conservative.
- Radical - n. - A characteristic, essential, and fundamental constituent of any compound; hence, sometimes, an atom.
- Radical - n. - Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; -- called also a compound radical. Cf. Residue.
- Radical - n. - A radical quantity. See under Radical, a.
- Radical - a. - A radical vessel. See under Radical, a.
- Radicalism - n. - The quality or state of being radical; specifically, the doctrines or principles of radicals in politics or social reform.
- Radicality - n. - Germinal principle; source; origination.
- Radicality - n. - Radicalness; relation to a root in essential nature or principle.
- Radically - adv. - In a radical manner; at, or from, the origin or root; fundamentally; as, a scheme or system radically wrong or defective.
- Radically - adv. - Without derivation; primitively; essentially.
- Radicalness - n. - Quality or state of being radical.
- Radical - n. - One who advocates radical changes in government or social institutions, especially such changes as are intended to level class inequalities; -- opposed to conservative.
- Diazo- - - A combining form (also used adjectively), meaning pertaining to, or derived from, a series of compounds containing a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo-benzene, C6H5.N2.OH.
- Amylate - n. - A compound of the radical amyl with oxygen and a positive atom or radical.
- Nitro- - - A combining form (used also adjectively) designating certain compounds of nitrogen or of its acids, as nitrohydrochloric, nitrocalcite; also, designating the group or radical NO2, or its compounds, as nitrobenzene.
- Revolution - n. - A total or radical change; as, a revolution in one's circumstances or way of living.
- Mesityl - n. - A hypothetical radical formerly supposed to exist in mesityl oxide.
- Come-outer - n. - One who comes out or withdraws from a religious or other organization; a radical reformer.
- Quinoyl - n. - A radical of which quinone is the hydride, analogous to phenyl.
- Ethyl - n. - A monatomic, hydrocarbon radical, C2H5 of the paraffin series, forming the essential radical of ethane, and of common alcohol and ether.
- Sans-culotte - n. - Hence, an extreme or radical republican; a violent revolutionist; a Jacobin.
- Naphthide - n. - A compound of naphthalene or its radical with a metallic element; as, mercuric naphthide.
- Radical - a. - Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs.
- Ambulacrum - n. - One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays.
- Stibonium - n. - The hypothetical radical SbH4, analogous to ammonium; -- called also antimonium.
- Radical - a. - A radical vessel. See under Radical, a.
- Plantain - n. - Any plant of the genus Plantago, but especially the P. major, a low herb with broad spreading radical leaves, and slender spikes of minute flowers. It is a native of Europe, but now found near the abode of civilized man in nearly all parts of the world.
- Stearyl - n. - The hypothetical radical characteristic of stearic acid.
- Ultraism - n. - The principles of those who advocate extreme measures, as radical reform, and the like.
- Whig - n. - One of a political party which grew up in England in the seventeenth century, in the reigns of Charles I. and II., when great contests existed respecting the royal prerogatives and the rights of the people. Those who supported the king in his high claims were called Tories, and the advocates of popular rights, of parliamentary power over the crown, and of toleration to Dissenters, were, after 1679, called Whigs. The terms Liberal and Radical have now generally superseded Whig in English politics. See the note under Tory.
- Selenonium - n. - A hypothetical radical of selenium, analogous to sulphonium.
- Carbonyl - n. - The radical (CO)'', occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc.
- Xenyl - n. - The radical characteristic of xenylic compounds.
- Heptyl - n. - A compound radical, C7H15, regarded as the essential radical of heptane and a related series of compounds.
- Phosphoryl - n. - The radical PO, regarded as the typical nucleus of certain compounds.
- Propinyl - n. - A hydrocarbon radical regarded as an essential residue of propine and allied compounds.