1. cell-free

adjective. Lacking cells.
Synonyms
acellular noncellular
Antonyms
cellular honeycombed pitted

2. radical

adjective. (ˈrædɪkəl) (used of opinions and actions) far beyond the norm.
Synonyms
ultra extremist immoderate
Antonyms
moderate natural object fat person introvert
Etymology
radical (English)
radical (French)
radicalis (Latin)
radix (Latin)
ῥάδιξ (Ancient Greek (to 1453))

3. radical

noun. (ˈrædɪkəl) (chemistry) two or more atoms bound together as a single unit and forming part of a molecule.
Synonyms
propyl arsenic group azo group chromophore uranyl aldehyde radical allyl radical benzyl carboxyl methylene radical carboxyl group cacodyl radical benzoyl radical uranyl radical cacodyl alcohol group cyanide radical methylene group building block alcohol radical aldehyde group glyceryl allyl ketone group hydrazo radical propyl group hydrazo group cyanide group benzoyl group chemical group cacodyl group nitro group acyl group alkyl radical amino azido group butyl benzyl group cyano group amyl group hydroxyl methylene alkyl hydroxyl radical alkyl group uranyl group azido radical nitrite unit allyl group molecule carbonyl group vinyl radical vinyl group azo radical hydroxyl group propyl radical acyl benzyl radical vinyl cyano radical amino group
Antonyms
unemotional person resident granter extrovert liberator
Etymology
radical (English)
radical (French)
radicalis (Latin)
radix (Latin)
ῥάδιξ (Ancient Greek (to 1453))

4. radical

adjective. (ˈrædɪkəl) Markedly new or introducing radical change.
Synonyms
new revolutionary
Antonyms
old good guy acquaintance
Etymology
radical (English)
radical (French)
radicalis (Latin)
radix (Latin)
ῥάδιξ (Ancient Greek (to 1453))

5. radical

noun. (ˈrædɪkəl) 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.
Synonyms
atom free radical
Antonyms
drinker follower smoker
Etymology
radical (English)
radical (French)
radicalis (Latin)
radix (Latin)
ῥάδιξ (Ancient Greek (to 1453))

6. radical

adjective. (ˈrædɪkəl) Arising from or going to the root or source.
Synonyms
basic
Antonyms
incidental male
Etymology
radical (English)
radical (French)
radicalis (Latin)
radix (Latin)
ῥάδιξ (Ancient Greek (to 1453))

7. radical

noun. (ˈrædɪkəl) A person who has radical ideas or opinions.
Synonyms
terrorist syndicalist revolutionary Marxist someone bolshy extremist mortal red anarchist bolshie leveller somebody leveler person subversive Wobbly Trotskyist Bolshevik nihilist individual subverter Trotskyite young Turk soul Trot revolutionist
Antonyms
creditor partisan leader good person nonreligious person
Etymology
radical (English)
radical (French)
radicalis (Latin)
radix (Latin)
ῥάδιξ (Ancient Greek (to 1453))

8. cell

noun. (ˈsɛl) Any small compartment.
Synonyms
compartment
Antonyms
refrain attack

9. cell

noun. (ˈsɛl) (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals.
Synonyms
formative cell Sertoli cell akaryote somatic cell polar body sex cell fertilized ovum embryonic cell reproductive cell archespore fibre flagellated cell vegetative cell animate thing cell organelle blastomere cytol parthenote germ cell energid akaryocyte cytoplasm daughter cell mother cell Kupffer's cell zygote Leydig's cell blastema plant cell fiber organism Leydig cell karyon being acaryote Sertoli's cell nucleus vacuole arthrospore cytomembrane plasma membrane beta cell cell organ living thing organelle cell membrane recombinant gametocyte protoplast cell nucleus archesporium
Antonyms
unthoughtfulness irresponsibleness irresponsibility prokaryote eukaryote

10. cell

noun. (ˈsɛl) A device that delivers an electric current as the result of a chemical reaction.
Synonyms
voltaic cell fuel cell secondary cell electrolytic cell electrical device galvanic cell solar cell storage cell electric cell photovoltaic cell primary cell
Antonyms
voltaic cell electrolytic cell stander sitter parasite
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