annual ring defined in 1951 yearannual ring - annual ring;
annual ring - Annual increment of secondary wood (xylem) in stems and roots of woody plants of temperate climates. Because of the sharp contrast in size between small wood elements formed in the late summer and large elements formed in spring the limits of successive annual rings appear in a cross section of stem as a series of concentric lines.
near annual ring in Knolik
definition of word "annual ring" was readed 1050 times