大家好，知识小编来为大家讲解下。spiral是什么意思，spiral的用法很多人还不知道，现在让我们一起来看看吧！

一、spiral是什么意思

1、spiral 螺旋的，螺旋式的

2、来自拉丁语 spipralis,旋转的，螺旋的，来自 spira,线圈，绕圈，来自 PIE*sper,转动，旋转， 可能来自 PIE*spen,弯，转，纺织，词源同 spider,spin.

二、spiral的用法

1、spiral

2、spiral: [16] Spiral comes via French spiral from medieval Latin spīrālis ‘coiled’, a derivative of Latin spīra. This in turn went back to Greek speira ‘coil’. English also acquired the noun, as spire [16], which is used for the ‘tip of a spiral shell’. It is not the same word as the spire of a church [OE], which originally meant ‘stalk, stem’, and may go back ultimately to the base *spī- (source of English spike ‘pointed flower head’ and spine). The spiraea [17] is etymologically the ‘coiled’ plant; and spiraea in turn was used to form the term aspirin.=> aspirin, spiraea

3、spiral (adj.)

4、1550s, from Middle French spiral (16c.), from Medieval Latin spiralis "winding around a fixed center, coiling" (mid-13c.), from Latin spira "a coil, fold, twist, spiral," from Greek speira "a winding, a coil, twist, wreath, anything wound or coiled," from PIE *sper-ya-, from base *sper- (2) "to turn, twist." Related: Spirally. Spiral galaxy first attested 1913.

5、spiral (v.)

6、1726 (implied in spiraled), transitive, from spiral (n.). Intransitive use by 1834. Transferred and figurative sense by 1922. Related: Spiraling.

7、spiral (n.)

8、1650s, from spiral (adj.). U.S. football sense is from 1896. Figurative sense of "progressive movement in one direction" is by 1897. Of books, spiral-bound (adj.) is from 1937.

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