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n imperfectly acquainted with a subject; a novice. [Written also tiro.] The management of tyros of eighteen Is difficult. Cowper.

The state of being a tyro, or beginner; apprenticeship. [Obs.] Blount.

A translucent mineral of a green color and pearly or vitreous luster. It is a hydrous arseniate of copper.

The state of being a tyro, or beginner. [Written also tironism.]

d by decomposition yields oxybenzoic acid, or some other benzol derivative. [Written also tyrosine.]

A ptomaine discovered by Vaughan in putrid cheese and other dairy products, and producing symptoms similar to cholera infantum. Chemically, it appears to be related to, or identical with, diazobenzol.

Same as Tyrotoxicon.

An instrument for determining the amount of fatty matter or butter contained in a sample of milk.

A liquid ketone obtained by heating calcium butyrate.

Butyraceous.

An instrument for determining the amount of butter fat contained in a given sample of milk.

A martyrology. [Obs.] Bp. Hall.

Pertaining to martyrology or martyrs; registering, or registered in, a catalogue of martyrs.

A writer of martyrology; an historian of martyrs. T. Warton.

A history or account of martyrs; a register of martyrs. Bp. Stillingfleet.

Having the form of, or resembling, bran. Smart.

An American orchidaceous plant (Aplectrum hyemale) which flowers in early summer. Its slender naked rootstock produces each year a solid corm, filled with exceedingly glutinous matter, which sends up later a single large oval evergreen plaited leaf. Called also Adam-and-Eve.

See Styrolene.

, as a fragrant, aromatic, mobile liquid; -- called also phenyl ethylene, vinyl benzene, styrol, styrene, and cinnamene.

A white crystalline substance having a sweet taste and a hyacinthlike odor, obtained by the decomposition of styracin; -- properly called cinnamic, or styryl, alcohol.