Defn: A picture obtained by the process of heliotypy.
HELIOTYPIC
He`li*o*typ"ic, a.
Defn: Relating to, or obtained by, heliotypy.
HELIOTYPY
He"li*o*ty`py, n.
Defn: A method of transferring pictures from photographic negatives to hardened gelatin plates from which impressions are produced on paper as by lithography.
HELIOZOA
He`li*o*zo"a, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: An order of fresh-water rhizopods having a more or less globular form, with slender radiating pseudopodia; the sun animalcule.
HELISPHERIC; HELISPHERICAL Hel`i*spher"ic, Hel`i*spher"ic*al (, a. Etym: [Helix + spheric, spherical.]
Defn: Spiral. Helispherical line (Math.). the rhomb line in navigation. [R.]
HELIUM
He"li*um, n. Etym: [NL., fr. Gr. (Chem.)