Words in english starting with A

• alphabet soup — Noun – English ～ a confusing assortment; "Roosevelt created an alphabet soup of federal agencies"
• Association of Southeast Asian Nations — Noun – English ～ an association of nations dedicated to economic and political cooperation in southeastern Asia and who joined with the United States to fight against global terrorism
• air space — Noun – English ～ the space in the atmosphere immediately above the earth
• Air Force Space Command — Noun – English ～ a command of the United States Air Force that is responsible for defending the United States through its space and intercontinental ballistic missile operations
• absolute space — Noun – English ～ physical space independent of what occupies it
• ace of spades — Noun – English ～ the ace in the spade suit; sometimes taken as a portent of death
• attention span — Noun – English ～ the length of time you can concentrate on some idea or activity
• adjustable spanner — Noun – English ～ can be changed to different settings
• Alpinia speciosa — Noun – English ～ cultivated for its shining oblong leaves and arching clusters of white flowers with pink shading and crinkled yellow lips with variegated magenta stripes
• Asclepias speciosa — Noun – English ～ milkweed of southern North America having large starry purple and pink flowers
• Acocanthera spectabilis — Noun – English ～ medium-sized shrubby tree of South Africa having thick leathery evergreen leaves and white or pink flowers and globose usually two-seeded purplish black fruits
• acoustic spectrum — Noun – English ～ the distribution of energy as a function of frequency for a particular sound source
• action spectrum — Noun – English ～ the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation
• absorption spectrum — Noun – English ～ the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
• atomic spectrum — Noun – English ～ (physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element
• Albert Speer — Noun – English ～ German Nazi architect who worked for Hitler (1905-1981)
• Allium sphaerocephalum — Noun – English ～ Old World leek with a spherical bulb
• armillary sphere — Noun – English ～ a celestial globe consisting of metal hoops; used by early astronomers to determine the positions of stars
• articulatio spheroidea — Noun – English ～ a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
• anatomical sphincter — Noun – English ～ a ring of muscle that contracts to close an opening

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