nodule definition

  • noun:
    • a tiny knotlike protuberance.
    • structure A small mass of structure or aggregation of cells.
    • Botany A small knoblike outgrowth, as those found regarding the origins of numerous leguminous plants.
    • Mineralogy A small rounded swelling of a mineral or combination of minerals, often more difficult as compared to surrounding rock or sediment.
    • A rounded size or unusual form; just a little knot or swelling.
    • A rounded mass or unusual form; only a little knot or lump.
    • slightly knot or lump.
    • The particular knot upon the origins of leguminous and some other plants, due to micro-organisms. (See nodule-bacteria, under bacterium.) They enable the plant to use atmospheric nitrogen. See root-tubercle.
    • a little node
    • small rounded wartlike protuberance on a plant
    • (mineralogy) a tiny rounded swelling of mineral substance (usually more difficult as compared to surrounding stone or deposit)

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