ทฤษฎีควอนตัม, ทฤษฎีของพลังค์ที่อธิบายการแผ่รังสีของวัตถุร้อนในลักษณะเดียวกับการแผ่รังสีของวัตถุดำ ตามทฤษฎีนี้ พลังงานจะถูกปล่อยออกมาเป็นควอนตัม แต่ละควอนตัมมีค่าเท่ากับผลคูณของความถี่ของรังสีที่แผ่ออกมากับค่าคงตัวของพลังค์ [พจนานุกรมศัพท์ สสวท.]

English-Thai: Longdo Dictionary (UNAPPROVED version -- use with care ) Longdo Unapproved EN-TH **ระวัง คำแปลอาจมีข้อผิดพลาด**

quantum leap

(n) การเพิ่มขึ้น หรือก้าวหน้าขึ้นอย่างมากในทันทีทันใด, Syn. quantum jump

Thai-English-French: Volubilis Dictionary 1.0 Volubilis Dictionary (TH-EN-FR)

ทฤษฎีควอนตัม

[thritsadī khwøntam] (n, exp) EN: quantum theory FR: théorie des quanta [ f ]

CMU English Pronouncing Dictionary Dictionary [with local updates] CMU Pronouncing Dictionary

quantum

/K W AA1 N T AH0 M/ /คว้าน เถิ่ม/

quantum's

/K W AA1 N T AH0 M Z/ /คว้าน เถิ่ม สึ/

Oxford Advanced Learners Dictionary (pronunciation guide only) Oxford Advanced Learners Dictionary

quantum

(n,(count)) /kwˈɒntəm/ /เควาะ น เถิ่ม/ /k w o1 n t @ m/

WordNet (3.0) WordNet (3.0)

quantum

(n) a discrete amount of something that is analogous to the quantities in quantum theory

quantum

(n) (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)

quantum chromodynamics

(n) a theory of strong interactions between elementary particles (including the interaction that binds protons and neutrons in the nucleus); it assumes that strongly interacting particles (hadrons) are made of quarks and that gluons bind the quarks together, Syn. QCD

quantum electrodynamics

(n) a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons, Syn. QED

quantum field theory

(n) the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states

quantum jump

(n) (physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum

quantum leap

(n) a sudden large increase or advance, Syn. quantum jump, Example:this may not insure success but it will represent a quantum leap from last summer

quantum mechanics

(n) the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)

quantum physics

(n) the branch of physics based on quantum theory

quantum theory

(n) (physics) a physical theory that certain properties occur only in discrete amounts (quanta)

The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)

Quantum

n.; pl. Quanta [ L., neuter of quantus how great, how much. See Quantity, ] 1. Quantity; amount. “Without authenticating . . . the quantum of the charges.” Burke. [ 1913 Webster ]

2. (Math.) A definite portion of a manifoldness, limited by a mark or by a boundary. W. K. Clifford. [ 1913 Webster ]

‖Quantum meruit ety>[ L., as much as he merited ] (Law), a count in an action grounded on a promise that the defendant would pay to the plaintiff for his service as much as he should deserve. --
‖Quantum sufficit or
Quantum suff. [ L., as much suffices ] (Med.), a sufficient quantity; -- abbreviated q. s. in pharmacy. --
‖Quantum valebat ety>[ L., as much at it was worth ] (Law), a count in an action to recover of the defendant, for goods sold, as much as they were worth. Blackstone. [ 1913 Webster ]