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The act of pushing or thrusting. [R.] Bentley.

The act of thrusting away. [R.] Ogilvie.

The act of thrusting or driving down or outward; outward thrust. -- De*tru"sive, a.

The act of thrusting or pushing out; a driving out; expulsion.

the forcing (one's self) into a place without right or welcome; encroachment. Why this intrusion Were not my orders that I should be private Addison.

Of or pertaining to intrusion.

One who intrudes; especially, one who favors the appointment of a clergyman to a parish, by a patron, against the wishes of the parishioners.

The act of obtruding; a thrusting upon others by force or unsolicited; as, the obtrusion of crude opinions on the world.

One who practices or excuses obtrusion. [R.] Gent. Mag.

The act of protruding or thrusting forward, or beyond the usual limit.

e act of retruding, or the state of being retruded. In virtue of an endless remotion or retrusion of the constituent cause. Coleridge.

The intrusion of a person into a bishopric during the life of the bishop.

A process of asexual reproduction, in which a new organism or cell is formed by a protrusion of a portion of the animal or vegetable organism, the bud thus formed sometimes remaining attached to the parent stalk or cell, at other times becoming free; gemmation. See Hydroidea.

A wall-like mass of mineral matter, usually an intrusion of igneous rocks, filling up rents or fissures in the original strata.

t of entering gradually or silently upon the rights or possessions of another; unlawful intrusion. An unconstitutional encroachment of military power on the civil establishment. Bancroft.

The protrusion of the eyeball so that the eyelids will not cover it, in consequence of disease.

specially, an inclosing structure of wood, iron, or other material, intended to prevent intrusion from without or straying from within. Leaps o'er the fence with ease into the fold. Milton.

A protrusion, consisting of an organ or part which has escaped from its natural cavity, and projects through some natural or accidental opening in the walls of the latter; as, hernia of the brain, of the lung, or of the bowels. Hernia of the abdominal viscera in most common. Called also rupture. Strangulated hernia, a…

e insertion of a phrase, line, or verse in a metrical composition; specif. (Geol.), the intrusion of a bed or layer between other layers. Intercalations of fresh-water species in some localities. Mantell.

Apt to intrude; characterized by intrusion; entering without right or welcome. Intrusive rocks (Geol.), rocks which have been forced, while in a plastic or melted state, into the cavities or between the cracks or layers of other rocks. The term is sometimes used as equivalent to plutonic rocks. It is then contrasted wi…