(n) an acoustic radiometer consisting of a light disk suspended from a quartz thread; when exposed to a progressive sound wave its torque can measure velocity
(n) annual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowers, Syn.rayless chamomile, Matricaria matricarioides
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. (Zool.) The common wild gray goose (Anser anser) of Europe, believed to be the wild form of the domestic goose. See Illust. of Goose. [ 1913 Webster ]
n. [ From Gray, a. ] 1. (Zool.) A European fish (Thymallus vulgaris), allied to the trout, but having a very broad dorsal fin; -- called also umber. It inhabits cold mountain streams, and is valued as a game fish. [ 1913 Webster ]
And here and there a lusty trout, And here and there a grayling. Tennyson. [ 1913 Webster ]
2. (Zool.) An American fish of the genus Thymallus, having similar habits to the above; one species (T. Ontariensis), inhabits several streams in Michigan; another (T. montanus), is found in the Yellowstone region. [ 1913 Webster ]
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย