According to a new report, Kate Middleton is pregnant with her and Prince William 's third child just four months after welcoming their daughter. Kate Middleton with Princess Charlotte in May.(Photo Credit: Getty Images).ccording to a new report, Kate Middleton is pregnant with her and Prince William 's third child just four months after welcoming their daughter. Kate Middleton with Princess Charlotte in May. (Photo Credit: Getty Images).
For other uses, see etiology. Etiology (/iËtiËÉlÉdÊi/ ; alternatively aetiology) is the study of causation, or origination. The word is derived from the Greek Î±á¼°ÏÎ¹Î¿Î»Î¿Î³Î¯Î±, aitiologia, giving a reason for (Î±á¼°ÏÎ¯Î±, aitia, cause; and -Î»Î¿Î³Î¯Î±, -logia).
1. the cause of a disease; [syn: etiology, aetiology]2. the philosophical study of causation; [syn: etiology, aetiology] The Collaborative International Dictionary of English v.0.48:aetiology \ae`ti*olo*gy\ ([=e]`t[i^]*[o^]l[-o]*j[y^]), n. [L. aetologia, Gr. a'itiologi`a; a'iti`a cause + lo`gos description: cf.F. ['e]tiologie.] 1.The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things; etiology. AS [1913 Webster] 2. The assignment of a cause.he science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things; etiology. AS [1913 Webster] 2. The assignment of a cause.