gig·a·hertz 
(gĭgə-hûrtz′, jĭg-)
(gĭgə-hûrtz′, jĭg-)n. Abbr. GHz
A unit of frequency equal to one billion (109) hertz. Also called gigacycle.
- interferometric
- interferometrically
- interferometry
- interferon
- interferon alpha
- interferon beta
- interferon gamma
- interfertile
- interfertility
- interfluve
- interfluvial
- intergalactic
- intergalactically
- intergenerational
- intergeneric
- intergenic
- interglacial
- intergovernmental
- intergovernmentally
- intergradation
- intergrade
- intergroup
- intergrowth
- interim
- interionic