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a long row to hoe a very difficult task or situation.
alongshore near, at, or along the seashore.
alongside along, near, or by the side of. [2 definitions]
aloof uninvolved or distant; indifferent. [2 definitions]
a lot to a great degree or extent. [2 definitions]
aloud in an audible voice; not in silence or a whisper. [2 definitions]
alp a tall mountain.
alpaca a species of South American domesticated mammal, closely related to the llama, with long, soft hair. [4 definitions]
alpenhorn a very long curved wooden horn, used by herdsmen in the Alps to call cattle.
alpenstock a long pointed iron-tipped staff used for mountain climbing.
alpha the name of the first letter of the Greek alphabet. [3 definitions]
alpha and omega the first and last letters of the Greek alphabet. [2 definitions]
alphabet the letters of a written language, esp. if in the standard or customary order. [2 definitions]
alphabetic of, pertaining to, or using an alphabet. [2 definitions]
alphabetical pertaining to or arranged according to the standard order of an alphabet. [2 definitions]
alphabetize to arrange according to the standard order of an alphabet.
Alpha Centauri a double star in the constellation Centaurus, the closest star to the solar system, having a combined magnitude of -0.3.
alphanumeric in computer terminology, consisting of both letters and numbers or other nonalphabetic symbols.
alpha particle a positively charged particle given off as radiation from some fission or decay processes, consisting of two protons and two neutrons.
alpha ray radiation composed of alpha particles.
alpha wave the type of brain wave that is a sign of relaxation, having frequencies from eight to thirteen hertz; alpha rhythm.