(n) gas hydrates
(n) (uk) Cooper's hawk (Accipiter cooperii)
(n) (uk) gray seal (Halichoerus grypus)
grey seal
(n) (comp) high-end machine
(n) (comp) high-end model
(n) high-octane gasoline
high-octane petrol
(n) (comp) high contrast
(n) high society
(adj-na,n) high-technology
high-tech
(n) Homo heidelbergensis
(n) hydrofoil
(n) hydroplane
(n) hydroponics
(n) hydrometer
(n) (comp) hibernation
(n) hyperinflation
(n) (comp) HyperWAIS
(n) hyperspace
(n) hypersonic
(n) hypercharge
(n) (comp) hypertext
(n) (comp) hypervisor
virtual machine monitor
(n) (comp) hypermedia
(n) (comp) high pass filter
HPF
(n) hi-fi video
(n) high fashion
(n,adj-no) high fidelity
(n) hyphenation
(n) (comp) hybrid Integrated Circuit
(n) hybrid car