Infoplease knows the value of having sources you can trust. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts.Black Flag is the U.S. Air Force's newest flag-level exercise. Flag-level exercises bring together airframes and skillsets from around the military, and sometimes from around the world.

Views: 25,977. Asphalt noun. A sticky, black and highly viscous liquid or semi-solid, composed almost entirely of bitumen, that is present in most crude petroleums and in some natural deposits. Macadam noun. (uncountable) The surface of a road consisting of layers of crushed stone (usually tar-coated for modern traffic). Asphalt noun.Asphalt definition, any of various dark-colored, solid, bituminous substances, native in various areas of the earth and composed mainly of hydrocarbon mixtures. See more.

The word asphalt comes from the Greek "asphaltos," meaning "secure." The Romans used it to seal their baths, reservoirs and aqueducts. 1595 Europeans exploring the New World discovered natural deposits of asphalt. Sir Walter Raleigh described a "plain" (or lake) of asphalt …Synonyms for asphalt include blacktop, tar, tarmac, bitumen, macadam, pitch, concrete, pavement, paving and roadway. Find more similar words at wordhippo!

In recent times, one African engulfed in the sociological debate, and sometimes philosophical too, over what may be considered beautiful, is Lupita Nyong'o. The Kenyan actress has been on record ...Asphalt cement, the basic asphalt binder, is defined by ASTM Standard D8 as an asphalt specially prepared as to quality and con­ sistency for direct use in the manufacture of bituminous pavements. Asphalt, in turn, is defined as a black or dark brown solid or semi­

Blacktop definition is - a bituminous material used especially for surfacing roads; also : a surface paved with blacktop. How to use blacktop in a sentence.ASPHALT RELATED . AGGREGATE: Any hard, inert mineral material, such as gravel, crushed rock, slag, or crushed stone, used in pavement applications either by itself or mixed with liquid asphalt binder. Different types and sizes of aggregate are mixed with liquid asphalt to make the hot mix asphalt used for paving. Other types of aggregate, such as

"Celes, I was reading one of your articles and noticed a reader mentioning the movie 'Yes Man' in his comment. After reading the comment, I watched the movie and really felt a positive change in me. I will be really grateful if you could suggest similar movies that can help me in self-improvement." - Fahad, Pakistan Today's post is different from usual. We're going into the topic of movies ...blacktop meaning: 1. a material used on the surface of roads 2. a material used on the surface of roads 3. the…. Learn more.

Asphalt Concrete is a composite material commonly used in construction of roads, highways, airports, parking lots, and many other types of pavement. It is commonly called simply asphalt or blacktop. The terms "asphalt concrete", "bituminous asphalt concrete" and the abbreviation "AC" are typically used only in engineering and ...Black Top ADDITIVE Broth mixture MODE OF ACTION Preserves viability of microorganisms USES Microbiology - aerobes, anaerobes, fungi Black Top ADDITIVE Sodium citrate (buffered) MODE OF ACTION Forms calcium salts to remove calcium USES Westergren Sedimentation Rate; requires full draw Orange Top ADDITIVE Thrombin MODE OF ACTION

Asphalt rubber binder (ARB)--is used in various types of flexible pavement construction including surface treatments and hot mixes.According to the ASTM definition (ASTM D 8, Vol. 4.03, "Road and Paving Materials" of the Annual Book of ASTM Standards 2006) asphalt rubber is "a blend of asphalt cement, reclaimed tire rubber, and certain additives in which the rubber component is at least 15 ...Black definition is - having the very dark color of the night sky or the eye's pupil : of the color black. How to use black in a sentence.

black-top tube: ( blak-top tūb ) An evacuated blood collection tube with a black stopper indicating that it contains sodium citrate as anticoagulant; used for determination of the Westergren erythrocyte sedimentation rate.typically a result of traffic loading or HMA with inadequate asphalt content. Exhibit 3-1 Longitudinal Cracking This type of crack is usually a non-working crack that can be treated with a crack sealing material. It is highly recommended that these cracks are filled before getting to a width greater than a 1/2 inch to reduce sealant cost.

Caring for Your Black Clothes. If it is black (or dark), dry clean it. Even if you launder your shirts, make it a habit to dry clean any black ones as it will keep the color from fading as quickly. When it comes to washing black (or dark) cotton items at home, use …Definition of blacktop in the Definitions dictionary. Meaning of blacktop. What does blacktop mean? Information and translations of blacktop in the most comprehensive dictionary definitions resource on the web.

Learner's definition of BLACKTOP. [noncount] chiefly US. 1. : black material that is used for making roads. road crews laying down blacktop. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. 2. : a surface that is covered with blacktop. cars lining the blacktop.blacktop The asphalt paving used on many roads,and also the process of paving the road.

This is an alphabetical listing of the terms and descriptions commonly used in the asphalt industry.* ASTM Definitions** Transportation Research Board Definitions A Absolute Viscosity: A measure of the viscosity of asphalt with respect to time, measured in poises, conducted at 60°C (140°F). The test method utilizes a partial vacuum to induce flow in the viscometer.Aggregate Spreaders ...Blacktop definition, a bituminous substance, usually asphalt, for paving roads, parking lots, playgrounds, etc. See more.