Quantum



GRE

解释

GRE 红宝书

• n.定量; 量子
• ［英］ n.定量; 量子 ( any of the small subdivisions of a quantized physical magnitude)
• ［记］ quant ( 数量) ＋um -> 定量
• ［同］ 同根词: quantity ( 数量, 总量) ; quantitative ( 数量的)

Webster Collegiate

I. noun (plural quanta)

• Etymology: Latin, neuter of quantus how much
• Date: 1567
• 1.
  • a. quantity, amount
  • b. portion, part
  • c. gross quantity ; bulk
• 2.
  • a. any of the very small increments or parcels into which many forms of energy are subdivided
  • b. any of the small subdivisions of a quantized physical magnitude (as magnetic moment)

II. adjective

• Date: 1942
• 1. large, significant <a quantum improvement>
• 2. of, relating to, or employing the principles of quantum mechanics <quantum physics>

---