monochronic
/ˌmɒnə(ʊ)ˈkrɒnɪk/adjective
1Relating to or dating from a single period of time; synchronous.
2Performing tasks one at a time in a linear sequence.
Origin
Mid 19th century; earliest use found in Benjamin Smart (d. 1872), elocutionist and grammarian. From mono- + chronic.