comb. form forming nouns denoting disintegration or decomposition (electrolysis; haemolysis).

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\\ləsə̇s\ noun combining form (plural -lyses \\ləˌsēz\)




2. : destruction : disintegration : dissolution — especially of material associated with living organisms



a. : relief or reduction


b. : detachment (as in the surgical operation of freeing from adhesions)




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a combining form with the meaning "breaking down, loosening, decomposition," used in the formation of compound words: analysis; electrolysis; paralysis.

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-lysis /-lis-is/ n combining form
Denoting the action of breaking down or dividing into parts
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Main Entry:lysis

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comb. form denoting disintegration or decomposition
in nouns specifying an agent


in nouns specifying a reactant


in nouns specifying the nature of the process


via Latin from Greek lusis ‘loosening’

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A word-forming element [f. Gr. λύσις a loosening, parting] in many technical terms, primarily denoting decomposition, disintegration, dissolution.
1. In words in which the first element indicates the agent; e.g. (in Chem.) electrolysis (c 1840), hydrogenolysis; (in Biol.) bacteriolysis (sense 1), biolysis.
2. In words in which the first element indicates the substance or object affected; e.g. (in Chem. and Biochem.) fructolysis, glycolysis (1892); (in Biol.) bacteriolysis (sense 2), hæmolysis (cf. lysis 3). b. In a few terms in Surg. -lysis denotes surgical detachment of a part indicated by the first element, as cardiolysis.
3. In words in which the first element indicates some other characteristic; e.g. (in Biol.) autolysis, heterolysis (sense 1); (in Chem.) heterolysis (sense 2), homolysis. (catalysis (1836) was adopted directly from Gr. κατάλυσις dissolution.)

Useful english dictionary. 2012.

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  • Lysis — Lysis, dans le lécythe pour son fils Timocléide (IVe siècle A.C). Le Lysis (ou Sur l’Amitié ; Λύσις en grec) est un dialogue de Platon. Il appartient à la série dite des « Premiers Dialogues  …   Wikipédia en Français

  • Lysis — ist sowohl ein altgriechischer Eigenname als auch ein Begriff. Der Begriff (griechisch λύσις, lýsis, „Lösung, Auflösung, Beendigung“; Alternativform: Lyse über das Französische) steht für das Auflösen einer Zelle, siehe Lyse (Biologie) die… …   Deutsch Wikipedia

  • lysis — (n.) dissolution of cells, bacteria, etc., 1902, from L. lysis, from Gk. lysis a loosening, from lyein to unfasten, loose, loosen, untie (see LOSE (Cf. lose)) …   Etymology dictionary

  • -lysis — [lə sis, lisis] [< Gr lysis: see LYSIS] combining form a loosening, dissolution, dissolving, destruction [catalysis, electrolysis] …   English World dictionary

  • Lysis — Ly sis (l[imac] s[i^]s), n. [NL., fr. Gr. ly sis.] (Med.) The resolution or favorable termination of a disease, coming on gradually and not marked by abrupt change. [1913 Webster] Note: It is usually contrasted with crisis, in which the… …   The Collaborative International Dictionary of English

  • lysis — ● lysis nom masculin (grec lusis, action de délier) Allure progressivement décroissante d une courbe thermique. lysis [lizis] n. m. ÉTYM. 1839; archit., 1547; grec lusis. → lyse. ❖ ♦ Méd. Décroissance d une courbe thermique …   Encyclopédie Universelle

  • -lysis — scientific/medical suffix meaning loosening, dissolving, dissolution, from Gk. lysis a loosening, setting free, releasing, dissolution, from lyein to unfasten, loose, loosen, untie (see LOSE (Cf. lose)) …   Etymology dictionary

  • lysis — lysis. См. лизис. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Lysis [1] — Lysis (gr.), 1) (Med.), die Lösung, die allmälige Genesung; 2) (Bauk.), so v.w. Rinnleiste …   Pierer's Universal-Lexikon

  • Lysis [2] — Lysis, 1) L. aus Athen, Schüler des Sokrates, nach welchem Plato seinen von der Liebe u. Freundschaft handelnden Dialog nannte. 2) L. aus Tarent, Schüler des Pythagoras, ging nach der Auflösung des Bundes nach Theben, wo er im Hause des… …   Pierer's Universal-Lexikon

  • Lysis — (griech.), s. Krisis …   Meyers Großes Konversations-Lexikon

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