(n) a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star
The Collaborative International Dictionary of English (GCIDE) v.0.53
a. [ Cf. L. planetarius an astrologer, F. planétaire planetary. See Planet. ] 1. Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year. [ 1913 Webster ]
2. Consisting of planets; as, a planetary system. [ 1913 Webster ]
3. (Astrol.) Under the dominion or influence of a planet. “Skilled in the planetary hours.” Drayton. [ 1913 Webster ]
5. Having the nature of a planet; erratic; revolving; wandering. “Erratical and planetary life.” Fuller. [ 1913 Webster ]
Planetary days, the days of the week as shared among the planets known to the ancients, each having its day. Hutton. -- Planetary nebula, a nebula exhibiting a uniform disk, like that of a planet. [ 1913 Webster ]
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
