helianthemum
— Navneord
– Engelsk
～ any plant of the genus Helianthemum; vigorous plants of stony alpine meadows and dry scrub regions
helianthus
— Navneord
– Engelsk
～ any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays
Helianthus giganteus
— Navneord
– Engelsk
～ very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
Helianthus annuus
— Navneord
– Engelsk
～ 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
— Navneord
– Engelsk
～ sunflower of eastern North America having narrow leaves and found in bogs
helical
— Tillægsord
– Engelsk
～ in the shape of a coil
Helichrysum
— Navneord
– Engelsk
～ large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus
Helichrysum bracteatum
— Navneord
– Engelsk
～ Australian plant naturalized in Spain having flowers of lemon yellow to deep gold; the frequent choice of those who love dried flowers
Helicidae
— Navneord
– Engelsk
～ land snails including the common edible snail and some pests
helicon
— Navneord
– Engelsk
～ a tuba that coils over the shoulder of the musician
helicopter
— Navneord
– Engelsk
～ an aircraft without wings that obtains its lift from the rotation of overhead blades
Helicteres
— Navneord
– Engelsk
～ genus of shrubs and small trees of tropical America and Asia having cylindrical fruits spirally twisted around one another
Heliobacter
— Navneord
– Engelsk
～ 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)
heliocentric
— Tillægsord
– Engelsk
～ having the sun as the center
heliogram
— Navneord
– Engelsk
～ a message transmitted by means of the sun's rays
heliograph
— Udsagnsord
– Engelsk
～ signal by means of a mirror and the using the sun's rays
heliograph
— Navneord
– Engelsk
～ an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
heliogravure
— Navneord
– Engelsk
～ an intaglio print produced by gravure
heliolatry
— Navneord
– Engelsk
～ the worship of the sun
heliometer
— Navneord
– Engelsk
～ 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