tubular-shaped grain
11Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… …
12wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …
13Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …
14pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
15environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
16advanced ceramics — ▪ ceramics Introduction substances and processes used in the development and manufacture of ceramic materials that exhibit special properties. As is pointed out in the article ceramic composition and properties, ceramics are… …
17passeriform — /pas euhr euh fawrm , peuh ser euh /, adj. of or pertaining to the order Passeriformes; passerine. [ < NL Passeriformes, equiv. to L passer sparrow + iformes IFORMES] * * * ▪ bird Introduction also called passerine or perching bird any… …
18List of British ordnance terms — This article explains terms used to describe the British Armed Forces ordnance (i.e.: weapons and ammunition) used in World War I and World War II. Note that the terms may have slightly different meanings in the military of other countries.BDBD… …
19Ford Cortina — Manufacturer Ford Motor Company Hyundai Motor Company Also called Ford Consul Cortina Production 19 …
20bird — birdless, adj. /berrd/, n. 1. any warm blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard shelled egg. 2. a fowl or game bird. 3 …
