high-level radioactive waste
— Noun
– English
～ radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed
human waste
— Noun
– English
～ the body wastes of human beings
hunting watch
— Noun
– English
～ a watch with a hinged metal lid to protect the crystal
hold water
— Verb
– English
～ resist or withstand wear, criticism, etc.; "Her shoes won't hold up"; "This theory won't hold water"
heavy water
— Noun
– English
～ water containing a substantial proportion of deuterium atoms, used in nuclear reactors
hard water
— Noun
– English
～ water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap
holy water
— Noun
– English
～ water that has been blessed by a priest for use in symbolic purification
high water
— Noun
– English
～ the tide when the water is highest
high-water mark
— Noun
– English
～ a line marking the highest level reached
hot water plant
— Noun
– English
～ any plant of the genus Achimenes having showy bell-shaped flowers that resemble gloxinias
hot water
— Noun
– English
～ a dangerous or distressing predicament; "his views on race got him into political hot water"
hot-water tank
— Noun
– English
～ a heater and storage tank to supply heated water
hot-water bag
— Noun
– English
～ a stoppered receptacle (usually made of rubber) that is to be filled with hot water and used for warming a bed or parts of the body
hot-water bottle
— Noun
– English
～ a stoppered receptacle (usually made of rubber) that is to be filled with hot water and used for warming a bed or parts of the body
hot-water heater
— Noun
– English
～ a heater and storage tank to supply heated water
hemlock water dropwort
— Noun
– English
～ European poisonous herb having tuberous roots, yellow juice that stains the skin, yellow flowers and foliage resembling celery; all parts extremely poisonous
Henry Watson Fowler
— Noun
– English
～ English lexicographer who wrote a well-known book on English usage (1858-1933)
heat wave
— Noun
– English
～ a wave of unusually hot weather
Hertzian wave
— Noun
– English
～ a former name for a radio wave; an electromagnetic wave of radio frequency generated by oscillations in an electric circuit
hoarded wealth
— Noun
– English
～ accumulated wealth in the form of money or jewels etc.; "the pirates hid their treasure on a small island in the West Indies"