maleic hydrazide
noun Date: 1949 a crystalline cyclic hydrazide C4H4N2O2 used to retard plant growth

New Collegiate Dictionary. 2001.

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  • maleic hydrazide — n. a slightly soluble solid, C4H4N2O2, used to inhibit plant growth, to stop the sprouting of vegetables in storage, etc …   English World dictionary

  • maleic hydrazide — noun : a crystalline cyclic hydrazide C4H4N2O2 made by reaction of hydrazine with maleic acid or anhydride and used to retard plant growth and the sprouting of potatoes, onions, and root crops (as carrots or beets) in storage * * * /huy dreuh… …   Useful english dictionary

  • maleic hydrazide — /huy dreuh zuyd /, Chem. a crystalline compound, C4N2H4O2, used as a plant growth inhibitor and weed killer. [1945 50; HYDR 2 + AZ + IDE (maleic, see MALEIC ACID)] * * * …   Universalium

  • Hydrazide maléique — Hydrazide maléique. L hydrazide maléique, ou 1,2 dihydro 3,6 pyridazinedione, est un composé organique utilisé en agriculture comme régulateur de croissance, et en particulier comme inhibiteur de germination pour la pomme de terre. Notes et… …   Wikipédia en Français

  • Maleinsäurehydrazid — Strukturformel Allgemeines Name Maleinsäurehydrazid Andere Namen …   Deutsch Wikipedia

  • heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… …   Universalium

  • Hydrazine — For the antidepressant, see Hydrazine (antidepressant). Hydrazine …   Wikipedia

  • List of IARC Group 3 carcinogens — Substances, mixtures and exposure circumstances in this list have been classified by the IARC as Group 3: The agent (mixture or exposure circumstance) is not classifiable as to its carcinogenicity to humans. This category is used most commonly… …   Wikipedia

  • Petr Zuman — (born January 1926) is a Czech chemist. Born and raised in Prague, the Second World War severely impacted Zuman and his family while he was a teenager. In 1939, when he was 13 years old, the Germans occupied Czechoslovakia and sent his father to… …   Wikipedia

  • horticulture — horticultural, adj. horticulturist, n. /hawr ti kul cheuhr/, n. 1. the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants. 2. the science and art of cultivating such plants. [1670… …   Universalium

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