| 单词 | median |
| 释义 | Word Frequency median(ˈmiːdɪən) adjective 1. of, relating to, situated in, or directed towards the middle 2. biology of or relating to the plane that divides an organism or organ into symmetrical parts 3. statistics of or relating to the median noun 4. a middle point, plane, or part 5. geometry a. a straight line joining one vertex of a triangle to the midpoint of the opposite side See also centroid b. a straight line joining the midpoints of the nonparallel sides of a trapezium 6. statistics the middle value in a frequency distribution, below and above which lie values with equal total frequencies 7. statistics the middle number or average of the two middle numbers in an ordered sequence of numbers 7 is the median of both 1, 7, 31 and 2, 5, 9, l6 8. Also called: (chiefly Brit) central reserve Canadian the strip, often covered with grass, that separates the two sides of a highway Derived forms medianly (ˈmedianly) adverb Word origin C16: from Latin mediānus, from medius middle |
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