n. [ L., fr. Gr. qh^ta, the Greek letter θ, Θ. ] A letter of the Greek alphabet corresponding to th in English; -- sometimes called the unlucky letter, from being used by the judges on their ballots in passing condemnation on a prisoner, it being the first letter of the Greek qa`natos, death. [ 1913 Webster ]
Theta function (Math.), one of a group of functions used in developing the properties of elliptic functions. [ 1913 Webster ]
(n) the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude, Syn.theta wave
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ L., fr. Gr. qh^ta, the Greek letter θ, Θ. ] A letter of the Greek alphabet corresponding to th in English; -- sometimes called the unlucky letter, from being used by the judges on their ballots in passing condemnation on a prisoner, it being the first letter of the Greek qa`natos, death. [ 1913 Webster ]
Theta function (Math.), one of a group of functions used in developing the properties of elliptic functions. [ 1913 Webster ]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
