dark·room 
(därkrm′, -rm′)
(därkrm′, -rm′)n.
A room in which photographic materials are processed, either in complete darkness or with a safelight.
- infraclass
- infract
- infraction
- infractor
- infra dig
- infrahuman
- infrangibility
- infrangible
- infrangibly
- infraorder
- infrared
- infrared astronomy
- infrasonic
- infrasound
- infraspecific
- infrastructural
- infrastructure
- infrequence
- infrequency
- infrequent
- infrequently
- infringe
- infringement
- infringer
- infructescence