acuminate

a. 尖的, 渐尖的 vt. 使尖锐

发音

UK /əˈkjuːmɪneɪt/
UK /əˈkjuːmɪnət/
其它
其它

词形变化

acuminated acuminates 三单 acuminates acuminating acuminating 现在分词 acuminated 过去式 acuminated 过去分词 more acuminate 比较级 most acuminate 最高级

别名

accuminate

释义与例句

v.
  1. 1.

    To render sharp or keen; to sharpen.

    及物

    September 17, 1784, William Cowper, letter to the Rev. John Newton To acuminate even despair.

  2. 2.

    To end in or come to a sharp point.

    不及物
adj.
  1. 1.

    Tapering to a point; pointed.

    acuminate leaves, teeth, etc.

  2. 2.

    Tapering to a long point in concave manner at its apex.

    生物 植物学

词汇关系

动词

上位词 3

point sharpen taper
形容词

近义相关 2

simple unsubdivided

词源

First attested in 1611; borrowed from Latin acuminātus, perfect passive participle acuminō (“to sharpen to a point”), see -ate (adjective-forming suffix) and -ate (verb-forming suffix).

来源：wiktionary