The name Angela is a French baby name. In French the meaning of the name Angela is: Angel. Spanish Meaning: The name Angela is a Spanish baby name. In Spanish the meaning of the name Angela is: Angel.he name Angela is a French baby name. In French the meaning of the name Angela is: Angel. Spanish Meaning: The name Angela is a Spanish baby name. In Spanish the meaning of the name Angela is: Angel.
âA trough is an elongated area of low atmospheric pressure that can occur either at the Earth's surface or at higher altitudes.â âIn southwestern Australia, the hottest conditions are normally associated with low pressure troughs that direct east to northeasterly winds from the hot interior.â
Definition 1: A crest is a point on the wave where the displacement of the medium is at a maximum. A point on the wave is a trough if the displacement of the medium at that point is at a minimum.