单词 | decussate |
释义 | decussate —decussately, adv. v. /di kus"ayt, dek"euh sayt'/; adj. /di kus"ayt, -it/, v. , decussated, decussating, adj. v.t. , v.i. 1. to cross in the form of an X; intersect. adj. 2. in the form of an X; crossed; intersected. 3. Bot. arranged along the stem in pairs, each pair at right angles to the pair next above or below, as leaves. [1650-60; < ML decussatus divided in the form of an X (ptp. of decussare), equiv. to L decuss(is) the numeral ten, orig., a ten-as weight (dec(em) TEN + -ussis, comb. form of as AS2) + -atus -ATE1] |
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