Expand



GRE TOEFL 考研

解释

GRE 红宝书

• v.扩大, 膨胀
• ［英］ v.扩大, 膨胀 ( to increase in extent, size, scope, or volume)
• ［记］ ex+pand ( 分散) -> 分散出去 -> 扩大
• ［同］ 参考: expanse ( 宽广空间) ; expansive ( 辽阔的, 开朗的) 派生词: expansion ( n.扩张, 膨胀)

Webster Collegiate

verb

• Etymology: Middle English expaunden, from Latin expandere, from ex- + pandere to spread — more at fathom
• Date: 15th century
• transitive verb
  • 1. to open up ; unfold
  • 2. to increase the extent, number, volume, or scope of ; enlarge
  • 3.
    • a. to express at length or in greater detail
    • b. to write out in full <expand all abbreviations>
    • c. to subject to mathematical expansion <expand a function in a power series>
• intransitive verb
  • 1. to open out ; spread
  • 2. to increase in extent, number, volume, or scope
  • 3. to speak or write fully or in detail <expanded on the theme>
  • 4. to feel generous or optimistic
• ? expandability noun
• ? expandable adjective
• Synonyms:
  • expand, amplify, swell, distend, inflate, dilate mean to increase in size or volume. expand may apply whether the increase comes from within or without and regardless of manner (as growth, unfolding, addition of parts) <a business that expands every year>. amplify implies the extension or enlargement of something inadequate<amplify the statement with details>. swell implies gradual expansion beyond a thing's original or normal limits<the bureaucracy swelled to unmanageable proportions> . distend implies outward extension caused by pressure from within<a distended abdomen>. inflate implies expanding by introduction of air or something insubstantial and suggests a resulting vulnerability and liability to sudden collapse<an inflated ego>. dilate applies especially to expansion of circumference<dilated pupils>.

---