l the muscles or other parts
of the body.

Penetrate. To go into.

Perforation. To make an opening or hole.

Periodical. At regular intervals.

Peaty. Having the characteristics of peat.

Personified. To transform from a thought or speech into a person.

Perturbed. To be disturbed in mind.

Perceptible. Noticeable; seen.

Phenomena. Something directly observable; anything visible.

Primitive. The first way of doing things; the original plan or
method.

Prospecting. Investigating; trying to discover new elements or
substances.

Profusion. Many; an abundance.

Port. A haven. The left side of a vessel.

Proportionally. Relative magnitude, number or degree.

Predominating. Overshadowing; possessing power.

Properties. The elementary substances of any material.

Propagate. To bring to a better condition or state. Making an
improved breed or type of animals or plants.

Prognosticate. To foretell.

Promulgate. To announce; to give out.

Privation. Hardship. To be kept from the necessaries of life.

Promontory. A high point of land extending out into the sea.

Progenitor. An ancestor in the direct line.

Proximity. Close to; in the neighborhood of.

Radiating. To emit or send out rays.

Relaxation. A change from the ordinary routine.

Retarding. Holding back; making the object go slower.

Reticent. Habitually keeping quiet or in reserve.

Regulation. In accordance with some law or order established.

Refraction. That property in light which causes a bend as the
ray passes from one substance through another.

Reverse. In the opposite direction.

Rifling. Spiral grooves in the bore of a gun.

Rotation. Turning; moving around a common center.

Seepage. Leaking; passing through.

Sequence. That which follows as the result of a certain thing.

Secluded. Kept hidden; not exposed.

Spherical. Round like a globe.

Spiral. Having the twist of a corkscrew.

Spawning. The period when fish lay their eggs.

Stringers. The longi