cycloid
A Word with Greek Root, Prefix or Suffix
cycloid
a curve produced by a particular point on a circle as the circle moves along a straight line
摆线, 轮转线; adj. 圆形的, 循环性格的
cycloid 的切分如下:
cycloid = cycl (circle 圈; 圆) + -oid (shape, like 形; 像)
cycloid = resembling a circle 像圆形的
cycloid = extended further to mean a curve produced by a particular point on a circle or on the radius of the circle as the circle moves along a straight line 引申为轮转线
该词的重要词根如下:
cycl
-oid
Note: You may sometimes find that a vowel such as o is often inserted between two roots, as o inserted between phon and graph in phonograph = phon + o + graph, the reason is for easy pronounciation. Another example is archaeology = archae + o + logy