- Hydrocarbon finish
- hydrocarbon found in fossilised plant remains
- Hydrocarbon fuel
- Hydrocarbon gas
- Hydrocarbon group
- hydrocarbon in gasoline
- Hydrocarbon in petrol
- Hydrocarbon suffix
- Hydrocarbon suffixes
- Hydrocarbon used in lacquers
- HYDROCARBON used in liquefied form as fuel
- HYDROCARBON used in manufacture of explosives
- Hydrocarbon with two carbons
- HYDROCARBON, white
- hydrocele
- hydrocephalic
- HYDROCEPHALUS-involved site
- HYDROCEPHALUS, person suffering from
- Hydrochloric ___
- hydrochloric acid
- HYDROCHLORIC acid-producing cells of the stomach
- Hydrochloric and boric
- Hydrochloric and others
- Hydrochloric or amino
- Hydrochloric solution
- Hydrochloric, e.g.
- Hydrochloric, for one
- hydrochlorothiazide
- Hydrocodone, e.g.
- Hydrocortisone additive
- Hydrocortisone producer
- Hydrocortisone target
- Hydrodynamic duo
- Hydrodynamics or zoology, e.g.
- HYDRODYNAMICS, subject of
- Hydroelectric ___
- Hydroelectric agcy.
- Hydroelectric dam org.
- Hydroelectric dam-building agcy.
- Hydroelectric facility
- Hydroelectric org.
- Hydroelectric power agcy.
- Hydroelectric power projects
- Hydroelectric power site
- Hydroelectric power source
- Hydroelectric project
- Hydroelectric projects
- Hydroelectric structure
- Hydroelectric structures
- Hydroelectricity agcy.
- Hydroelectricity projects
- Hydroelectricity providers?
- Hydroelectricity sources
- Hydroelectricity structure
- Hydroelectricity suppliers?
- Hydrofluoric ___
- hydrofoil
- Hydrogen
- Hydrogen and helium
- Hydrogen and methane (Var.)
- HYDROGEN and oxygen
- Hydrogen and oxygen, e.g.
- Hydrogen atom's lack
- HYDROGEN atoms (four), plus one carbon atom
- Hydrogen Bomb - thermonuclear device that uses hydrogen fusion to generate energy
- Hydrogen bomb physicist Edward
- Hydrogen bomb, for short
- Hydrogen has one
- HYDROGEN in substance replaced by deuterium
- HYDROGEN ion-produced substance
- HYDROGEN ions when in an aqueous solution (compare with base), substance that liberates
- HYDROGEN isotrope at extremely high temperature, formation from the fusion of
- Hydrogen or helium
- Hydrogen or neon
- hydrogen peroxide
- Hydrogen sulfide characteristic
- Hydrogen sulfide feature
- HYDROGEN, constituent of
- Hydrogen, e.g.
- Hydrogen, for one
- Hydrogen's atomic number
- Hydrogen's lack
- Hydrogen's number
- Hydrogen/nitrogen compound
- Hydrogenated ___
- hydrogeology
- hydrographic
- hydrography
- hydroid
- hydrology
- hydrolyse (a protein) to peptones by enzymic action, esp by pepsin or pancreatic extract
- Hydrolysis atom
- HYDROLYSIS of acyl derivatives, catalyst of
- Hydromassage facilities
- Hydromassage facility
- HYDROMEL, constituent of
- hydrometer
- hydrometer for measuring salt in a solution
- Hydronium, e.g.
- HYDROPATHIC
- HYDROPATHY
- Hydrophane
- Hydrophane or isopyre
- Hydrophane, e.g.
- hydrophobia
- hydrophobic
- Hydrophobic substances
- hydropic
- hydroplane
- Hydroplane part
- Hydroplaned
- Hydroplanes
- Hydroplaning results
- hydroponics
- Hydroponics subjects
- Hydropower structure
- Hydropower structures
- HYDROQUINONE, constituent of
- Hydros : England :: ___ : U.S.
- hydroscope
- Hydrospace
- Hydrosphere components
- hydrostatic
- hydrotherapeutic
- Hydrotherapeutic hangouts
- hydrotherapy
- Hydrotherapy facility
- Hydrotherapy haven
- Hydrotherapy havens
- Hydrotherapy locale
- Hydrotherapy offerer
- Hydrotherapy place
- Hydrotherapy provider
- Hydrotherapy site
- Hydrotherapy sites
- Hydrotherapy spot
- Hydrotherapy spots
- Hydrotherapy venue
- hydrous
- Hydrous magnesium silicate
- HYDROUS wool fat
- Hydrox addition
- Hydrox alternative
- Hydrox competitor
- Hydrox cookie lookalike
- Hydrox cookies inspired them
- Hydrox finish
- Hydrox look-alike
- Hydrox rival
- Hydrox rival, once
- Hydrox rivals, once
- hydroxide
- Hydroxide solution
- Hydroxide solutions
- HYDROXIDE, constituent of
- Hydroxide, e.g.
- hydroxides
- Hydroxy acid, e.g.
- Hydroxybenzene
- Hydroxyl compound
- Hydroxyl Compound Aromatic
- Hydroxyl compounds
- Hydroxyl compund
- HYDROXYL elimination from acetic acid, result of
- Hydroxyl group compound [14]
- HYDROXYL groups, having two
- Hydroxyl-bearing compound
- Hydroxyl-carbon compound
- Hydroxyl-containing compound
- hydrozoa
- HYDROZOA containing air-cavity
- hydrozoan
- hyena
- Hyena created by Capp
- Hyena from Dogpatch
- Hyena home
- Hyena in "L'il Abner"
- HYENA relative
- HYENA-dwelling country
- Hyena, e.g.
- HYENA, sound of the
- Hyena's hand
- Hyena's hangout
- Hyena's hideaway
- Hyena's home
- Hyena's lair
- Hyena's prey, at times
- Hyenalike animals from Yemen's capital?
- Hyenas' hangouts
- Hyenas' homes
- Hyères to La Spezia
- Hyeres-to-La Spezia area
- Hygeia
- HYGEIA, father of
- hygiene
- Hygiene product with a Disney-created mascot
- Hygiene type
- Hygiene variety
- hygienic
- hygienics
- HYGIENIST
- Hygienist's advice
- Hygienist's command
- Hygienist's instruction
- Hygienist's request
- Hygienists' coworkers
- hygiology
- hygrometer
- hygrometry
- Hygroton
- HYKE
- HYKSOS-raided country
- HYKSOS, capital of the
- HYKSOS, kingdom of the
- hyla
- Hyland of "Modern Family"
- hylic
- HYLLUS, father of
- HYLLUS, wife of
- Hyman ___, main antagonist in "The Godfather Part II"
- Hyman Rickover pioneered its development
- Hyman Rickover's rank: Abbr.
- HYMEN, father of
- HYMEN, mother of
- hymeneal
- Hymenopter
- Hymenopteran
- Hymenopteran critter
- Hymenopteran home
- Hymenopteron
- Hymenopterous insects
- HYMETTUS, product of (Greece)
- Hymn
- Hymn "Dies ___"
- Hymn "Dies ___" ("Day of Wrath")
- Hymn about the Day of Judgment
- Hymn about the Last Judgment
- Hymn accompanier
- Hymn accompaniers
- Hymn accompaniment
- Hymn beginning
- Hymn book
- Hymn close
- Hymn closer
- Hymn closers
- HYMN composer
- Hymn cousins
- Hymn cry
- Hymn end
- Hymn ender