step·fam·i·ly 
(stĕpfăm′ə-lē, -făm′lē)
(stĕpfăm′ə-lē, -făm′lē)n. pl. step·fam·i·lies
A family with one or more stepchildren.
- transmigrate
- transmigration
- transmigrator
- transmigratory
- transmissibility
- transmissible
- transmissible spongiform encephalopathy
- transmission
- transmissive
- transmissometer
- transmissometry
- transmit
- transmittable
- transmittal
- transmittance
- transmitter
- transmitter-receiver
- transmogrification
- transmogrify
- transmontane
- transmundane
- transmutability
- transmutable
- transmutably
- transmutation