helixhelix /ˈhilɪks/ noun (plural helices /-lɪsiz/) [countable] 
math, science a line that curves and rises around a central line SYN spiral → see also double helix
math, science a line that curves and rises around a central line SYN spiral → see also double helix- world-beating
- world-class
- world-famous
- World Health Organization, the
- world language
- worldliness
- worldly
- worldly-wise
- world music
- world power
- world record
- world-record
- World Series
- World Trade Center, the
- World Trade Organization, the
- worldview
- world war
- World War I
- World War II
- world-weary
- worldwide
- World Wide Web
- worm
- worm-eaten
- wormhole