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121Etiquette in Canada and the United States — Etiquette rules are not uniform in North America, varying among the very diverse societies which exist in both the United States and Canada. Etiquette rules are not simply a description of “cultural norms” and should not be considered a summary… …
122Terminology of the British Isles — Main article: British Isles   The British Isles …
123Archaeology of the Cross and Crucifix — Archæology of the Cross and Crucifix † Catholic Encyclopedia ► Archæology of the Cross and Crucifix I. PRIMITIVE CRUCIFORM SIGNS The sign of the cross, represented in its simplest form by a crossing of two lines at right angles,… …
124Languages of the United States — Official language(s) none Main language(s) English 82.1%, Spanish 10.7%, other Indo European 3.8%, Asian …
125Names given to the Spanish language — For personal names in the Spanish language, see Spanish naming customs. Spanish language …
126Banknotes of the pound sterling — Banknotes of the pound sterling …
127Regression toward the mean — In statistics, regression toward the mean (also known as regression to the mean) is the phenomenon that if a variable is extreme on its first measurement, it will tend to be closer to the average on a second measurement, and a fact that may… …
128Grace note — A grace note is a kind of music notation used to denote several kinds of musical ornaments. When occurring by itself, a single grace note normally indicates the intention of either an appoggiatura or an acciaccatura. When they occur in groups,… …
