Stem



GRE Barron TOEFL 考研

解释

GRE 红宝书

• n. ( 植物的) 茎, 叶柄; v.阻止, 遏制 ( 水流等)
• ［英］ ( 植物的) 茎, 叶柄 ( a plant part [as a branch, petiole] that supports another [as a leaf or fruit]) ; v.阻止, 遏制 ( 水流等) ( to stop or check by damming; esp. stanch)

Webster Collegiate

I. noun

• Etymology: Middle English, from Old English stefn, stemn stem of a plant or ship; akin to Old High German stam plant stem and probably to Greek stamnos wine jar, histanai to set — more at stand
• Date: before 12th century
• 1.
  • a. the main trunk of a plant; specifically a primary plant axis that develops buds and shoots instead of roots
  • b. a plant part (as a branch, petiole, or stipe) that supports another (as a leaf or fruit)
  • c. the complete fruiting stalk of a banana plant with its bananas
• 2.
  • a. the main upright member at the bow of a ship
  • b. the bow or prow of a ship — compare stern
• 3. a line of ancestry ; stock; especially a fundamental line from which others have arisen
• 4. the part of an inflected word that remains after the inflected part is removed <strength is the stem of strengths>; also root 6
• 5. something held to resemble a plant stem: as
  • a. a main or heavy stroke of a letter
  • b. the short perpendicular line extending from the head of a musical note
  • c. the part of a tobacco pipe from the bowl outward
  • d. the cylindrical support of a piece of stemware (as a goblet)
  • e. a shaft of a watch used for winding

II. transitive verb (stemmed; stemming)

• Etymology: Middle English (Scots) stemmen to keep a course, from ［sup］1［/sup］stem (of a ship)
• Date: 1593
• 1. to make headway against (as an adverse tide, current, or wind)
• 2. to check or go counter to (something adverse)
• ? stemmer noun

III. verb (stemmed; stemming)

• Etymology: ［sup］1［/sup］stem (of a plant)
• Date: 1724
• transitive verb
  • 1. to remove the stem from
  • 2. to make stems for (as artificial flowers)
• intransitive verb
  • to occur or develop as a consequence ; have or trace an origin <her success stems from hard work>
• Synonyms: see spring
• ? stemmer noun

IV. verb (stemmed; stemming)

• Etymology: Middle English stemmen to dam up, from Old Norse stemma; akin to Middle High German stemmen to dam up and probably to Lithuanian stumti to shove
• Date: 14th century
• transitive verb
  • ［b］［c darkslategray］1

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