mid·stream 
(mĭdstrēm′)
(mĭdstrēm′)n.
1. The middle part of a stream.
2. The part of a course that is neither at the beginning nor at the end: the midstream of life.
- syncarpy
- synch
- synch
- synchondrosis
- synchro
- synchro-
- synchrocyclotron
- synchroflash
- synchromesh
- synchronal
- synchronic
- synchronically
- synchronicity
- synchronism
- synchronistic
- synchronistical
- synchronistically
- synchronization
- synchronize
- synchronized swimming
- synchronizer
- synchronous
- synchronously
- synchronous motor
- synchronousness