Deciduous



GRE Barron TOEFL

解释

GRE 红宝书

• adj. 脱落的; 落叶的
• ［英］ adj. 脱落的 ( falling off or out) ; 落叶的 ( shedding leaves annually)
• ［记］ de+cid ( 落下) +uous -> 落叶的
• ［例］ Deciduous trees look barren during the winter.

Webster Collegiate

adjective

• Etymology: Latin deciduus, from decidere to fall off, from de- + cadere to fall — more at chance
• Date: 1688
• 1. falling off or shed seasonally or at a certain stage of development in the life cycle <deciduous leaves><deciduous scales>
• 2.
  • a. having deciduous parts <maples, birches, and other deciduous trees>
  • b. having the dominant plants deciduous <a deciduous forest>
• 3. ephemeral
• ? deciduousness noun

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