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Of or pertaining to heliography or a heliograph; made by heliography. Heliographic chart. See under Chart.

Photography. R. Hunt.

The obtaining of a curve similar to a pulse curve or sphygmogram by allowing the blood from a divided artery to strike against a piece of paper.

The sulphate of iodoquinine, a substance crystallizing in thin plates remarkable for their effects in polarizing light.

One who writes on heresies.

A treatise on heresy.

ferent words or syllables; -- said of methods of spelling; as, the ordinary English orthography is heterographic.

e letters represent different sounds in different words, as in the ordinary English orthography; e. g., g in get and in ginger.

A warming cathartic medicine, made of aloes and canella bark. Dunglison.

Of or pertaining to sacred writing.

Sacred writing. [R.] Bailey.

One who describes organic tissues; an histologist.

Of or pertaining to histography.

A description of, or treatise on, organic tissues.

An historian; a writer of history; especially, one appointed or designated to write a history; also, a title bestowed by some governments upon historians of distinction.

The office of an historiographer. Saintsbury.

The art of employment of an historiographer.

A curve described by the moving extremity of a line the other end of which is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; -used in investigations respecting central forces.

A document, as a letter, deed, or will, wholly in the handwriting of the person from whom it proceeds and whose act it purports to be.

Of the nature of a holograph; pertaining to holographs.