Webster's Dictionary 1913

1351

Helichrysum

‖Hel′i‐chry″sum (�), n.(Bot.) A genus of composite plants, with shining, commonly white or yellow, or sometimes reddish, radiated involucres, which are often called “everlasting...

1352

Heliciform

He‐lic″i‐form (?), a. [Helix + -form.] Having the form of a helix; spiral.

1353

Helicin

Hel″i‐cin (?), n.(Chem.) A glucoside obtained as a white crystalline substance by partial oxidation of salicin, from a willow (Salix Helix of Linnæus.)

1354

Helicine

Hel″i‐cine (?), a.(Anat.) Curled; spiral; helicoid; — applied esp. to certain arteries of the penis.

1355

Helicograph

Hel″i‐co‐graph′ (?), n. [Helix + -graph.] An instrument for drawing spiral lines on a plane.

1356

Helicoid

Hel″i‐coid (?), a. [Gr. �; ἕλιξ, -ικοσ, spiral + � shape: cf. F. hélicoïde. See Helix.]1. Spiral; curved, like the spire of a univalve shell.2. (Zoöl.) Shaped like a snail shell...

1357

Helicoid (2)

Hel″i‐coid, n.(Geom.) A warped surface which may be generated by a straight line moving in such a manner that every point of the line shall have a uniform motion in the directio...

1358

Helicoidal

Hel′i‐coid″al (?), a. Same as Helicoid. — Hel′i‐coid″al‐ly, adv.

1359

Helicon

Hel″i‐con (hĕl″ĭ‐kŏn), n. [L., fr. Gr. Ελικὥν.] A mountain in Bœotia, in Greece, supposed by the Greeks to be the residence of Apollo and the Muses.From Helicon's harmonious spr...

1360

Heliconia

‖Hel′i‐co″ni‐a (?), n. [NL. See Helicon.] (Zoöl.) One of numerous species of Heliconius, a genus of tropical American butterflies. The wings are usually black, marked with green...

1361

Heliconian

Hel′i‐co″ni‐an (?), a. [L. Heliconius.] 1. Of or pertaining to Helicon. “Heliconian honey.” Tennyson.2. (Zoöl.) Like or pertaining to the butterflies of the genus Heliconius.

1362

Helicotrema

‖Hel′i‐co″tre″ma (?), n. [NL., fr. Gr. ἕλιξ, -ικοσ, a helix + � a hole.] (Anat.) The opening by which the two scalæ communicate at the top of the cochlea of the ear.

1363

Helio-

He″li‐o– (hē″lĭ‐ō̍–). A combining form from Gr. ἥλιοσthe sun.

1364

Heliocentric

{ He′li‐o‐cen″tric (hē′lĭ‐ō̍‐sĕn″trĭk), He′li‐o‐cen″tric″al (–trĭ‐kal), } a. [Helio- + centric, centrical: cf. F. héliocentrique.] (Astron.) pertaining to the sun's center, or a...

1365

Heliochrome

He″li‐o‐chrome (hē″lĭ‐ō̍‐krōm), n. [Helio- + Gr. χρω̑μα color.] A photograph in colors. R. Hunt.

1366

Heliochromic

He′li‐o‐chro″mic (–krō″mĭk or –krŏm″ĭk), a. Pertaining to, or produced by, heliochromy.

1367

Heliochromy

He″li‐o‐chro′my (hē″lĭ‐ō̍‐krō′my̆ or hē′lĭ‐ŏk″rō̍′my̆), n. The art of producing photographs in color.

1368

Heliogram

He″li‐o‐gram (?), n. [Helio- + -gram.] A message transmitted by a heliograph.

1369

Heliograph

He″li‐o‐graph (hē″lĭ‐ō̍‐grȧf), n. [Helio- + -graph.]1. A picture taken by heliography; a photograph.2. An instrument for taking photographs of the sun.3. An apparatus for telegr...

1370

Heliograph (2)

He″li‐o‐graph (?), v. t. 1. To telegraph, or signal, with a heliograph.2. To photograph by sunlight.

1371

Heliographic

He′li‐o‐graph″ic (–grăf″ĭk), a. Of or pertaining to heliography or a heliograph; made by heliography.Heliographic chart. See under Chart.

1372

Heliographic (2)

He′li‐o‐graph″ic, a.(Astron.) Of or pertaining to a description of the sun.☞ Heliographic longitudes and latitudes of spots on the sun's surface are analogous to geographic long...

1373

Heliography

He′li‐og″ra‐phy (?), n. [Helio- + -graphy.] Photography. R. Hunt.

1374

Heliography (2)

He′li‐og″ra‐phy, n. 1. The description of the sun.2. The system, art, or practice of telegraphing, or signaling, with the heliograph.3. An early photographic process invented by...

1375

Heliogravure

He′li‐o‐grav″ure (?), n. [F. héliogravure.] The process of photographic engraving.

1376

Heliogravure (2)

He′li‐o‐grav″ure, n. A plate or picture made by the process of heliogravure.

1377

Heliolater

He′li‐ol″a‐ter (?), n. [Helio- + Gr. � servant, worshiper.] A worshiper of the sun.