hard-of-hearing
— Adjective
– English
～ having a hearing loss
heat of condensation
— Noun
– English
～ heat liberated by a unit mass of gas at its boiling point as it condenses into a liquid; "the heat of condensation is equal to the heat of vaporization"
heat of fusion
— Noun
– English
～ heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature; "the heat of fusion is equal to the heat of solidification"
Heart of Dixie
— Noun
– English
～ a state in the southeastern United States on the Gulf of Mexico; one of the Confederate states during the American Civil War
heat of dissociation
— Noun
– English
～ the heat required for a fluid substance to break up into simpler constituents
heat of formation
— Noun
– English
～ the heat evolved or absorbed during the formation of one mole of a substance from its component elements
Hanging Gardens of Babylon
— Noun
– English
～ a terraced garden at Babylon watered by pumps from the Euphrates; construction attributed to Nebuchadnezzar around 600 BC
Hall of Fame
— Noun
– English
～ a building containing trophies honoring famous people
holy of holies
— Noun
– English
～ (figurative) something regarded as sacred or inviolable; "every politician fears to touch that holy of holies, the Social Security System"
holy of holies
— Noun
– English
～ (Judaism) sanctuary comprised of the innermost chamber of the Tabernacle in the temple of Solomon where the Ark of the Covenant was kept
holy day of obligation
— Noun
– English
～ a day when Catholics must attend Mass and refrain from servile work, and Episcopalians must take Communion
Hero of Alexandria
— Noun
– English
～ Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)
head of hair
— Noun
– English
～ growth of hair covering the scalp of a human being
head of household
— Noun
– English
～ the head of a household or family or tribe
hypostasis of Christ
— Noun
– English
～ any of the three persons of the Godhead constituting the Trinity especially the person of Christ in which divine and human natures are united
house of cards
— Noun
– English
～ a speculative scheme that depends on unstable factors that the planner cannot control; "his proposal was nothing but a house of cards"; "a real estate bubble"
House of Commons
— Noun
– English
～ the lower house of the British parliament