sun·dog 
(sŭndôg′, -dŏg′)
(sŭndôg′, -dŏg′)n.
1. See parhelion.
2. A small halo, sometimes resembling part of a rainbow, near the horizon just off the parhelic circle.
- information science
- information superhighway
- information technology
- information theory
- informative
- informatively
- informativeness
- informatory
- informed
- informed consent
- informer
- infotain
- infotainment
- infra-
- infraclass
- infract
- infraction
- infractor
- infra dig
- infrahuman
- infrangibility
- infrangible
- infrangibly
- infraorder
- infrared