extension cord an electric cord used to extend the length of a power cord
extension course a course offered as part of an extension service
extension agent an advisor employed by the government to assist people in rural areas with methods of farming and home economics
expense record a written record of money spent
extension ladder a ladder whose length can be extended
extension act of expanding in scope
extension phone an additional telephone set that is connected to the same telephone line
extensional defining a word by listing the class of entities to which the word correctly applies
extension service an educational opportunity provided by colleges and universities to people who are not enrolled as regular students
expansion bolt a bolt that has an attachment that expands as the bolt is driven into a surface
extensor a skeletal muscle whose contraction extends or stretches a body part
expansion slot (computer) a socket in a microcomputer that will accept a plug-in circuit board
extrasensory seemingly outside normal sensory channels
expansionist of or involving or guided by expansionism
extensive large in spatial extent or range or scope or quantity
extortioner a criminal who extorts money from someone by threatening to expose embarrassing information about them
expansion bit a bit with a cutting blade that can be adjusted to different sizes
extinct no longer in existence
Athanasian Creed a Christian profession of faith
exterminator someone who exterminates