12 new words everyday

29/08/2026

#20339

PRECIPITATE

PRECIPITATE

An insoluble substance separated from a solution in a concretestate by the action of some reagent added to the solution, or of someforce, such as heat or cold. The precipitate may fall to the bottom(whence the name), may be diffused through the solution, or may floatat or near the surface. Red precipitate (Old. Chem), mercuric oxide(HgO) a heavy red crystalline powder obtained by heating mercuricnitrate, or by heating mercury in the air. Prepared in the lattermanner, it was the precipitate per se of the alchemists.-- White precipitate (Old Chem.) (a) A heavy white amorphous powder(NH2.HgCl) obtained by adding ammonia to a solution of mercuricchloride or corrosive sublimate; -- formerly called also infusiblewhite precipitate, and now amido-mercuric chloride. (b) A whitecrystalline substance obtained by adding a solution of corrosivesublimate to a solution of sal ammoniac (ammonium chloride); --formerly called also fusible white precipitate.

#52189

FISSIROSTRES

FISSIROSTRES

A group of birds having the bill deeply cleft.

#83345

INREGISTER

INREGISTER

To register; to enter, as in a register. [R.] Walsh.

#48926

VACUUM CLEANER

VACUUM CLEANER

A machine for cleaning carpets, tapestry, upholstered work,etc., by suction.

#79865

TARSO-

TARSO-

A combining form used in anatomy to indicate connection with,or relation to, the tarsus; as, tarsometatarsus.

#74515

ICHTHYOL

ICHTHYOL

An oily substance prepared by the dry distillation of abituminous mineral containing fossil fishes. It is used in medicineas a remedy in some forms of skin diseases.

#67000

AMETABOLIAN

AMETABOLIAN

Of or pertaining to insects that do undergo any metamorphosis.

#40694

LEFTWARD

LEFTWARD

Toward or on the left side.Rightward and leftward rise the rocks. Southey.

#39927

TETRASYLLABLE

TETRASYLLABLE

A word consisting of four syllables; a quadrisyllable.

#77022

MULTIAXIAL

MULTIAXIAL

Having more than one axis; developing in more than a singleline or plain; -- opposed to Ant: monoaxial.

#77101

LETHE

LETHE

Death.[Obs.] Shak.

#21096

INCULCATOR

INCULCATOR

One who inculcates. Boyle.