hard to please (of persons) "his father was a hard-to-please taskmaster"
Howard Florey British pathologist who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1898-1968)
hard-to-please (of persons) "his father was a hard-to-please taskmaster"
parquet floor a floor made of parquetry
ground floor the floor of a building that is at or nearest to the level of the ground around the building
bed of flowers a bed in which flowers are growing
ground-floor on the floor closest to level with the ground
first floor the floor of a building that is at or nearest to the level of the ground around the building
heart failure inability of the heart to pump enough blood to sustain normal bodily functions
put out feelers make some preliminary investigations or test the waters
hard fern any of several ferns of the genus Blechnum
hurdle race a footrace in which contestants must negotiate a series of hurdles
paradise flower tropical shrub or small tree having showy yellow to orange-red flowers; sometimes placed in genus Poinciana
hard water water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap
Harding grass perennial grass of Australia and South Africa
hard times a time of difficulty
hardware store a store selling hardware
hard drive computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it
hardcover having a hard back or cover
arteria alveolaris a branch of the maxillary artery that supplies the alveolar process