fossil fuel
41Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
42fuel — I (New American Roget s College Thesaurus) Combustible material Nouns 1. fuel, firing, combustible; inflammable, burnable; ignite; fossil fuel; solar, nuclear, etc. energy. See heat, power. 2. peat, turf; [bituminous, soft, anthracite, hard,… …
43fossil — n. & adj. n. 1 the remains or impression of a (usu. prehistoric) plant or animal hardened in rock (often attrib. : fossil bones; fossil shells). 2 colloq. an antiquated or unchanging person or thing. 3 a word that has become obsolete except in… …
44fossil — fossillike, adj. /fos euhl/, n. 1. any remains, impression, or trace of a living thing of a former geologic age, as a skeleton, footprint, etc. 2. a markedly outdated or old fashioned person or thing. 3. a linguistic form that is archaic except… …
45Fossil park — A protected area with rich deposits of fossils is called a fossil park. Fossil parks are used in educating the public. There are many fossil parks all over the world.ee also* Paleorrota * List of Fossil Parks * Fossils * Fossil Hunters *… …
46Fuel efficiency in transportation — This page describes fuel efficiency in means of transportation. For the environmental impact assessment of a given product or service throughout its lifespan, see life cycle assessment. Caveats Comparing Fuel efficiency in transportation is a bit …
47fossil — I. adjective Etymology: Latin fossilis obtained by digging, from fodere to dig more at bed Date: 1604 1. preserved from a past geologic age < fossil plants > < fossil water in an underground reservoir > 2. being or resembling a fossil 3. of or… …
48fuel — fueler, fueller, n. /fyooh euhl/, n., v., fueled, fueling or (esp. Brit.) fuelled, fuelling. n. 1. combustible matter used to maintain fire, as coal, wood, oil, or gas, in order to create heat or power. 2. something that gives nourishment; food.… …
49Fuel cell sports car — A fuel cell sports car is a future vehicle anticipated to arrive with the advent of sophisticated hydrogen fuel cell technology. Although the primary impetus for fuel cell research is cleaner automobile emissions, overall vehicle performance is… …
50fossil — [17] Etymologically, a fossil is something ‘dug’ out of the ground. It comes via French fossile from Latin fossilis ‘dug up’, a derivative of the verb fodere ‘dig’. The English adjective originally meant virtually the same as Latin fossilis… …
