Obstruent voiced obstruents are common. This contrasts with sonorants, which are prototypically voiced and only rarely voiceless. Obstruent An obstruent is a speech sound such as , , or that is formed by "obstructing" airflow. Obstruents contrast with sonorants, which have no such obstruction and so resonate. All obstruents are consonants, but sonorants include both vowels and consonants. Obstruents are subdivided into plosives (oral stops), such as , with complete occlusion of the vocal tract, often followed by a release burst; fricatives, such as , with limited closure, not stopping airflow but making it turbulent; and affricates, which begin with complete
The Complete Farmer: Or, a General Dictionary of Husbandry moderate capacity, though a stranger to the method of measuring land, may soon be able to survey, plan, and protract any farm or parcel of land, without any other assistance. From the above account of this work, the reader will be able to form some idea of its use, at a time when the study of agriculture is pursued with great assiduity in every part of Europe. In those days "The Complete Farmer" was widely read, and was used as reference up until the early 19th century. For example, Samuel Deane's "The New-England Farmer" from 1822 used about a dozen