heliopause
— Navneord
– Engelsk
～ 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
— Navneord
– Engelsk
～ any of various South African herbs and subshrubs cultivated for long showy racemes of bright blue flowers with white eyes
heliopsis
— Navneord
– Engelsk
～ any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers
Helios
— Navneord
– Engelsk
～ (Greek mythology) ancient god of the sun; drove his chariot across the sky each day; identified with Roman Sol
heliosphere
— Navneord
– Engelsk
～ the region inside the heliopause containing the sun and solar system
heliotherapy
— Navneord
– Engelsk
～ therapeutic exposure to sunlight
Heliothis
— Navneord
– Engelsk
～ a genus of Noctuidae
heliotrope
— Navneord
– Engelsk
～ green chalcedony with red spots that resemble blood
heliotropism
— Navneord
– Engelsk
～ an orienting response to the sun
heliotype
— Navneord
– Engelsk
～ duplicator consisting of a gelatin plate from which ink can be taken to make a copy
Heliozoa
— Navneord
– Engelsk
～ mostly freshwater protozoa
heliozoan
— Navneord
– Engelsk
～ protozoa with spherical bodies and stiff radiating pseudopods
heliport
— Navneord
– Engelsk
～ an airport for helicopters
Helipterum
— Navneord
– Engelsk
～ genus of South African and Australian herbs or shrubs grown as everlastings; the various Helipterum species are currently in process of being assigned to other genera especially genera Pteropogon and Hyalosperma
helium
— Navneord
– Engelsk
～ a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
helium group
— Navneord
– Engelsk
～ the series of inert gases
helix
— Navneord
– Engelsk
～ a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
Helix aspersa
— Navneord
– Engelsk
～ serious garden pest having a brown shell with paler zigzag markings; nearly cosmopolitan in distribution
helix
— Navneord
– Engelsk
～ a structure consisting of something wound in a continuous series of loops; "a coil of rope"
Helix
— Navneord
– Engelsk
～ type genus of the family Helicidae