英语词汇“pinnati、”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

pinnati-

释义

pinnati-|pɪˈneɪtɪ, pɪˈnætɪ|
combining form of L. pinnātus pinnate: chiefly in botanical terms relating to leaves (cf. pinnatifid): piˌnnatiˈlobate, piˈnnatilobed |-eɪtɪ-| adjs., pinnately divided with rounded divisions or lobes; piˌnnatiˈpartite |-eɪtɪ-| a. [L. partītus divided: see partite], pinnately divided nearly to the midrib; piˈnnatisect, piˌnnatiˈsected |-eɪtɪ-| adjs. [L. sectus cut: see -sect], pinnately divided quite to the midrib, but not articulated so as to form separate leaflets. See also pinnatiped.
1857Henfrey Bot. §93 We..take the prefix pinnati-..and subjoin to this a word indicating the degree or kind of division, thus: pinnatifid..if the broad notches between the lobes extend from the margin to about half-way between this and the midrib; pinnatisect, if the notches extend on nearly to the midrib; pinnatipartite, if the separate lobes are almost free, and merely connected by a narrow strip of parenchyma.1861Bentley Man. Bot. (1870) 153 [Leaves] pinnatipartite, or pinnatisected, according to their depth.1866Treas. Bot., Pinnatilobed, Pinnatilobate, when the lobes of a pinnatifid leaf are divided to an uncertain depth.1883G. Allen in Nature 8 Mar. 441 Steps by which a regularly pinnately-veined leaf, such as that of the common olive, may pass into a pinnatifid and pinnatisect form by non-development of the mainly cellular tracts.

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