nonoxynol-9
noun Etymology: nonyl (the radical C9H19) + oxy- + phenol + 9 (from the fact that the compounds it contains have an average of nine ethylene oxide groups per molecule) Date: 1980 a spermicide used in contraceptive products

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Nonoxynol-9 — IUPAC name 2 [2 [2 [2 [2 [2 [2 [2 [2 (4 Nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy] ethoxy]ethoxy]ethoxy]ethoxy]ethanol …   Wikipedia

  • nonoxynol-9 — [nän΄äk′sə nôl nīn′] n. a chemical substance used as the spermicide in certain contraceptive preparations: also written nonoxynol 9 …   English World dictionary

  • Nonoxynol-9 — Strukturformel Allgemeines Freiname Nonoxinol 9 Andere Namen …   Deutsch Wikipedia

  • Nonoxynol 9 — Strukturformel Allgemeines Freiname Nonoxinol 9 Andere Namen …   Deutsch Wikipedia

  • nonoxynol-9 — no·nox·y·nol 9 nä näk sə .nōl nīn, .nȯl n a spermicide used in contraceptive products that consists of a mixture of compounds having the general formula C15H23(OCH2CH2)nOH with an average of nine ethylene oxide groups per molecule …   Medical dictionary

  • nonoxynol-9 — no·nox·y·nol 9 …   English syllables

  • nonoxynol-9 — /no nok seuh nawl nuyn , nol /, n. Pharm. the active ingredient of spermicides. [by rearrangement of parts of its chemical name] * * * …   Universalium

  • nonoxynol 9 — A group of compounds that are surface acting agents, used in spermicidal preparations such as contraceptive foam and diaphragm jelly …   Medical dictionary

  • nonoxynol-9 — näˈnäksə̇nȯl, ōl, nəˈ noun Etymology: nonyl + oxy (II) + phenol : a spermatocide used in contraceptive products that consists of a mixture of compounds having the general formula C15H23(OCH2CH2)nOH but having an average of nine ethylene oxide… …   Useful english dictionary

  • Nonoxynol — 9 is the most commonly encountered spermatocide in the United States. As with other spermatocides, it destroys spermatozoa; it kills sperm. The nonoxynols, technically speaking, are nonionic surfactant [surface active] mixtures that vary in the… …   Medical dictionary

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