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lide bar. -- Guide block (Steam Engine), a block attached in to the crosshead to work in contact with the guide bar. -- Guide meridian. (Surveying) See under Meridian. -- Guide pile (Engin.), a pile driven to mark a place, as a point to work to. -- Guide pulley (Mach.), a pulley for directing or changing the line o…

e of a class of plants, so called by Lindley, because the ovules are fertilized by direct contact of the pollen. Same as Gymnosperm.

An interrupter in which contact is broken by the movement of an automatically vibrating hammer between a contact piece and an electromagnet, or of a rapidly moving piece mechanically driven.

To meet or come in contact; to strike; to clash; -- followed by against or on. If bodies be extension alone, how can they move and hit one against another Locke. Corpuscles, meeting with or hitting on those bodies, become conjoined with them. Woodward.

A highly exhausted glass tube with metallic electrodes nearly in contact so as to exhibit the insulating effects of a vacuum. It was used by the German physicist W. Hittorf (b. 1824).

officiating priest or his attendant at Mass, and used to protect the sacred vessels from contact with the hands.

The production of artificial membranes by contact of two fluids, as albumin and fat, by which the globules of the latter are surrounded by a thin film of the former.

ot separated in respect to place by anything intervening; proximate; close; as, immediate contact. You are the most immediate to our throne. Shak.

Contact or impression by touch; collision; forcible contact; force communicated. The quarrel, by that impact driven. Southey.

ate of being implicated. Three principal causes of firmness are. the grossness, the quiet contact, and the implication of component parts. Boyle.

To come into contact with (an ovum or egg) so as to cause impregnation; to fertilize; to fecundate.

Not contiguous; not adjoining or in contact; separate. Boyle. -- In`con*tig"u*ous*ly, adv.

surface, and used to determine the accidents of curvature of the surface at the point of contact. The curve is similar to the intersection of the surface with a parallel to the tangent plane and indefinitely near it. It is an ellipse when the curvature is synclastic, and an hyperbola when the curvature is anticlastic.…

To produce, or cause, by proximity without contact or transmission, as a particular electric or magnetic condition in a body, by the approach of another body in an opposite electric or magnetic state.

ving electrical or magnetic polarity, causes or induces it in another body without direct contact; an impress of electrical or magnetic force or condition from one body on another without actual contact. Electro-dynamic induction, the action by which a variable or interrupted current of electricity excites another curr…

t having or manifesting active properties; not affecting other substances when brought in contact with them; powerless for an expected or desired effect.

such a disease communicated by germs carried in the air or water, and thus spread without contact with the patient, as measles.

To unite by apposition or contact, as two tubular vessels at their extremities; to anastomose.

parasitic mite (the Sarcoptes scabei), and attended with itching. It is transmissible by contact.

To bring together, literally or figuratively; to place in contact; to connect; to couple; to unite; to combine; to associate; to add; to append. Woe unto them that join house to house. Is. v. 8. Held up his left hand, which did flame and burn Like twenty torches joined. Shak. Thy tuneful voice with numbers join. Dryden…