Helianthus giganteus
— Noun
– English
～ very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
Helianthus annuus
— Noun
– English
～ annual sunflower grown for silage and for its seeds which are a source of oil; common throughout United States and much of North America
Helianthus angustifolius
— Noun
– English
～ sunflower of eastern North America having narrow leaves and found in bogs
Helichrysum
— Noun
– English
～ large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus
Helichrysum bracteatum
— Noun
– English
～ Australian plant naturalized in Spain having flowers of lemon yellow to deep gold; the frequent choice of those who love dried flowers
Helicidae
— Noun
– English
～ land snails including the common edible snail and some pests
helicon
— Noun
– English
～ a tuba that coils over the shoulder of the musician
helicopter
— Noun
– English
～ an aircraft without wings that obtains its lift from the rotation of overhead blades
Helicteres
— Noun
– English
～ genus of shrubs and small trees of tropical America and Asia having cylindrical fruits spirally twisted around one another
helikopter
— Noun
– Danish
～ luftfartøj som drives af en el. flere motordrevne ...
Heliobacter
— Noun
– English
～ a genus of helical or curved or straight aerobic bacteria with rounded ends and multiple flagella; found in the gastric mucosa of primates (including humans)
heliogram
— Noun
– English
～ a message transmitted by means of the sun's rays
heliograph
— Noun
– English
～ an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
heliogravure
— Noun
– English
～ an intaglio print produced by gravure
heliolatry
— Noun
– English
～ the worship of the sun
heliometer
— Noun
– English
～ an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope
heliopause
— Noun
– English
～ the boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet
heliophila
— Noun
– English
～ any of various South African herbs and subshrubs cultivated for long showy racemes of bright blue flowers with white eyes
heliopsis
— Noun
– English
～ any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers