Related Words

Point to Point Protocol (PPP): It's a software application that allows an attachment to a server.

Prototype: Term may be used differently in different situations and by different people. Usual meaning: an early build of the game (thus 'prototype' could be the first playable version, or it could be . . . View Full Definition

Protozoa: Single-celled protists grouped by their method of locomotion. This group includes Paramecium, Amoeba, and many other commonly observed protists.

Provider Directory: Provider directories are listings of providers who have contracted with a managed care network to provide care to its participants. Participants may refer to the directory to select in-netwo . . . View Full Definition

Protostomes: Animals in which the first opening that appears in the embryo becomes the mouth; e.g., mollusks, annelids, and arthropods.

Proton Donor: Because a free H+ ion is technically a bare proton, acids are sometimes referred to as 'proton donors' because they release hydrogen ions in solution. The term 'proton donor' is misleading, . . . View Full Definition

Protocol: A protocol is a set format for exchanging information. When you phone someone, their number must be in a set format. In one group of countries, that format is '(123) 456-7890', but in others . . . View Full Definition

Proton: A subatomic particle in the nucleus of an atom that carries a positive charge. The positively charged (+1) subatomic particle located in the atomic nucleus and having a mass slightly less th . . . View Full Definition

Psychomotor Agitation: Excessive motor activity associated with a feeling of inner tension. When severe, agitation may involve shouting and loud complaining. The activity is usually nonproductive and repetitious, . . . View Full Definition

Proto-Sun: An intermediate stage in the development of a star in which a large cloud of dust and gases gradually condenses through gravitational actions.