exo- combining form. ['ɛksǝʊ]
[Greek exō outside: see adjective (Biochemistry) involving the removal of successive nucleotides from the end of a polynucleotide molecule L20.

■ exonucleo'lytically adverb (Biochemistry) in an exonucleolytic manner L20.

■ exonym noun a place-name other than that used by the residents of the place concerned M20.

■ exo'peptidase noun (Biochemistry) an enzyme which breaks the terminal peptide bonds of peptide chains M20.

■ exoplanet noun a planet which orbits a star outside the solar system L20.

■ exopod,

■ e'xopodite nouns (Zoology) the outer branch of a biramous limb or appendage in some arthropods L19.

■ exopterygote [ɛksɒp'tɛrɪgǝʊt] adjective & noun (Zoology) (designating) an insect whose wings develop externally and whose young usually resemble the adult, there being no real pupal stage E20.

■ exo'skeletal adjective of or pertaining to an exoskeleton; of the nature of or having an exoskeleton: L19.

■ exoskeleton noun a hard outer layer of an animal body M19.

■ exosphere noun the outermost part of a planet's atmosphere M20.

■ exo'spheric adjective of or pertaining to an exosphere; occurring in an exosphere: M20.

■ exospore noun (a) the outer layer of the membrane or wall in some spores; (b) a spore formed by separation and release from a sporophore: M19.

■ exotoxin noun a toxin released by a living micro-organism into its surroundings E20.

■ exotropia [-'trǝʊpɪǝ] noun [Greek tropē turning] Medicine divergent strabismus L19.

[TahlilGaran] English Dictionary ▲