self-acting
self-agglomerating
self-annealing
self-baking
self-cleaning
self-contained
self-deoxidation
self-discharging
self-driven
self-fluxing
  self-hardening
self-ignition
self-propelled
self-propelling
self-supporting-type
self-tempering
selvage
semiacid
semiautomatic
semibatch
semicircular