pipe·fit·ting 
(pīpfĭt′ĭng)
(pīpfĭt′ĭng)n.
1. The act of connecting pipes.
2. A trade that deals with the installation and repair of piping systems.
3. A section of pipe, such as an elbow, used to connect two or more pipes.
- semiconductor
- semiconductor diode
- semiconductor laser
- semiconscious
- semiconsciously
- semiconsciousness
- semiconservative replication
- semidarkness
- semidesert
- semidetached
- semidiameter
- semidiurnal
- semidivine
- semidocumentary
- semidome
- semidomed
- semidry
- semielliptical
- semifinal
- semifinalist
- semifinished
- semiflexible
- semifluid
- semifluidity
- semiformal