Helicteres
— Noun
– English
～ genus of shrubs and small trees of tropical America and Asia having cylindrical fruits spirally twisted around one another
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
Helios
— Noun
– English
～ (Greek mythology) ancient god of the sun; drove his chariot across the sky each day; identified with Roman Sol
heliosphere
— Noun
– English
～ the region inside the heliopause containing the sun and solar system
heliotherapy
— Noun
– English
～ therapeutic exposure to sunlight