Physically many cats are able to get pregnant as young as only six or seven months old. However, it is better and healthier for pregnancy to occur when they're a little older. Often younger cats are not good mothers; the maternal instinct seems to be better developed when they're one year or older.
Initially, all modern linguistics was historical in orientation. Even the study of modern dialects involved looking at their origins. Ferdinand de Saussure 's distinction between synchronic and diachronic linguistics is fundamental to the present day organization of the discipline.
Physiology The conversion of nutriments into living tissue; constructive metabolism. 3. Linguistics The process by which a sound is modified so that it becomes similar or identical to an adjacent or nearby sound. For example, the prefix in- becomes im- in impossible by assimilation to the labial p of possible. 4. The process whereby a minority group gradually adopts the customs and attitudes of the prevailing culture.