unbranched 
adjective chiefly technical
Not having or divided into branches: a long, unbranched chain of amino-acid residues called a polypeptide...
- The colonies grow as branched or unbranched chains.
- In plants with long unrooted unbranched stems, branching on a phytomer can be induced by the outgrowth of an adventitious root from one of the two root primordia present at its node.
- The vestures in S. japonica vary from small and unbranched to largely branched and widely expanding.
- educational
- educational age
- educationalism
- educationalist
- educationally
- educationally disadvantaged
- educationally subnormal
- educational psychologist
- educational psychology
- educational quotient
- educational sociology
- educationary
- education authority
- educationese
- educationise
- educationism
- educationist
- educationize
- educative
- educator
- educatory
- educe
- educible
- educrat
- educt