Model T
adjective
1
: belonging to an initial or rudimentary phase of development
when nuclear weapons were in the Model T stage of development 
New York Times
New York Times2
: old-fashioned, outmoded
a Model T plot
a Model T school plant
Word History
Etymology
from Model T, early type of motor car having only two speeds forward and a hand gasoline feed that was manufactured by the Ford Motor Company between 1909 and 1927
- planetary gearing
- planetary hour
- planetary house
- planetary mansion
- planetary nebula
- planetary science
- planetary scientist
- planetary transmission
- planetary wind
- planetesimal
- planetesimal hypothesis
- planetesimals
- planetlike
- planetoid
- planetoidal
- planetoids
- planetological
- planetologies
- planetologist
- planetologists
- planetology
- planets
- planetwide
- planform
- planforms