hydrazo radical
— Noun
– English
～ the bivalent group -HNNH- derived from hydrazine
Hypochaeris radicata
— Noun
– English
～ European weed widely naturalized in North America having yellow flower heads and leaves resembling a cat's ears
horse radish
— Noun
– English
～ coarse Eurasian plant cultivated for its thick white pungent root
hair-raiser
— Noun
– English
～ excitation that makes your hair stand up or that chills your bones; "the movie was an old-fashioned hair-raiser"
hair-raising
— Adjective
– English
～ extremely alarming
hell raising
— Noun
– English
～ making trouble just for the fun of it
house-raising
— Noun
– English
～ construction by a group of neighbors
hydraulic ram
— Noun
– English
～ a water pump that uses the kinetic energy of flowing water to force a small fraction of that water to a reservoir at a higher level
Hydrocharis morsus-ranae
— Noun
– English
～ European floating plant with roundish heart-shaped leaves and white flowers
home range
— Noun
– English
～ the area in which an animal normally ranges
higher rank
— Noun
– English
～ higher rank than that of others especially by reason of longer service
high-ranking
— Adjective
– English
～ at an elevated level in rank or importance; "a high-level official"; "a high-level corporate briefing"; "upper-level management"
higher-ranking
— Adjective
– English
～ having a higher rank; "superior officer"
heat rash
— Noun
– English
～ obstruction of the sweat ducts during high heat and humidity