| basic training | the initial period of training for new military personnel, involves intense physical activity and behavioral discipline |
basic
staple | (usually plural) a necessary commodity for which demand is constant |
| basic point defense missile system | a shipboard missile system |
| blast furnace | a furnace for smelting of iron from iron oxide ores, combustion is intensified by a blast of air |
| electric furnace | any furnace in which the heat is provided by an electric current |
| furnace | an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc. |
furnace lining
refractory | lining consisting of material with a high melting point, used to line the inside walls of a furnace |
| furnace room | a room (usually in the basement of a building) that contains a furnace for heating the building |
| gas furnace | a furnace that burns gas |
oil burner
oil furnace | a furnace that burns oil |
| open-hearth furnace | a furnace for making steel in which the steel is placed on a shallow hearth and flames of burning gas and hot air play over it |
| oxygen mask | a breathing device that is placed over the mouth and nose, supplies oxygen from an attached storage tank |
| reverberatory furnace | a furnace in which the material that is being treated is heated indirectly by flames that are directed at the roof and walls of the furnace |
solar dish
solar collector
solar furnace | a concave mirror that concentrates the rays of the sun, can produce high temperatures |
Stassano furnace
electric-arc furnace | an electric furnace in which an electric arc provides the source of heat for making steel |
| tank furnace | furnace into one end of which a batch of measured raw materials is shoveled and from the other end molten glass is obtained |
| oxygen deficit | temporary oxygen shortage in cells resulting from strenuous exercise |
| basic cognitive process | cognitive processes involved in obtaining and storing knowledge |
fundamentals
basics
fundamental principle
basic principle
bedrock | principles from which other truths can be derived, first you must learn the fundamentals, let's get down to basics |
basic assumption
constatation
self-evident truth | an assumption that is basic to an argument |
| metallurgy | the science and technology of metals |
| powder metallurgy | the metallurgy of powdered metals, how to produce solid metal objects from powdered metal by compaction and sintering |
| Basic English | a simplified form of English proposed for use as an auxiliary language for international communication, devised by C. K. Ogden and I. A. Richards |
| BASIC | a popular programming language that is relatively easy to learn, an acronym for beginner's all-purpose symbolic instruction code, no longer in general use |
| oxygen debt | a cumulative deficit of oxygen resulting from intense exercise, the deficit must be made up when the body returns to rest |
oxygen
O
atomic number | a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas, constitutes percent of the atmosphere by volume, the most abundant element in the earth's crust |
liquid oxygen
LOX | a bluish translucent magnetic liquid obtained by compressing gaseous oxygen and then cooling it below its boiling point, used as an oxidizer in rocket propellants |
basic dye
basic color
basic colour | a dye that is considered to be a base because the chromophore is part of a positive ion |
| basic iron | pig iron containing a high percentage of phosphorus, used in making steel by a process that removes the phosphorus |
| basic slag | slag produced in making steel, low in silica but having large amounts of calcium phosphate, useful as fertilizer |
oxyacid
oxygen acid | any acid that contains oxygen |
| basic | of or denoting or of the nature of or containing a base |
| basic introductory | serving as a base or starting point, a basic course in Russian, basic training for raw recruits, a set of basic tools, an introductory art course |
| basic | pertaining to or constituting a base or basis, a basic fact, the basic ingredients, basic changes in public opinion occur because of changes in priorities |
basic
canonic
canonical | reduced to the simplest and most significant form possible without loss of generality, a basic story line, a canonical syllable pattern |