A synonyms and antonyms

ā

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Part of speech:

The indefinite article; before vowels, written ""an''
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The indefinite article; before vowels, written ""an''
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Vitamin A
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A mononucleotide, C10 H14 N5 O7 P, found in animal cells and reversibly convertible to ADP and ATP; adenosine monophosphate.
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A personality type characterized by drive, impatience, aggression, etc., traits thought to make one more susceptible to stress
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A system of antigens found on human red blood cells, together with the corresponding antibodies of these antigens: inherited antigens determine major blood types (A, B, AB, O), which help determine compatibility for blood transfusions
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(Informal) First-class; first-rate; superior
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the blood group whose red cells carry the A antigen
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one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
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any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
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A suffix used to form the names of chemical compounds containing an oxygen atom attached to a carbon atom, such as acetone.
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An indication of frequency
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Like, tending to, tending to be
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An indication of frequency
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An indication of frequency
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The indefinite article; before vowels, written ""an''
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The indefinite article; before vowels, written ""an''
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The strong, elastic wood of this tree, used for furniture, tool handles, and sporting goods such as baseball bats.
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The definition of an ampere is the basic unit for measuring electricity.
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A unit of length equal to one hundred-millionth (10&spminus;10 ) of a meter. It was once used to measure wavelengths of light and the diameters of atoms, but has now been mostly replaced by the nanometer.
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A fat-soluble aliphatic alcohol, C20H29OH, found in fish-liver oil, egg yolk, butter, etc. or derived from carotene in carrots and other vegetables: a deficiency of this vitamin results in night blindness, a general susceptibility to infections, and degeneration of epithelial tissue; retinol: it usually occurs in two forms, vitamin A1, having the formula above, and vitamin A2, C20H27OH
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An indication of frequency
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An indication of frequency
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The indefinite article; before vowels, written ""an''
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The indefinite article; before vowels, written ""an''
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(Physics) Alternative form of angstrom.
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A purine base that is a component of DNA and RNA, forming a base pair with thymine in DNA and with uracil in RNA. Adenine is also part of other biologically important compounds, such as ATP, NAD, and vitamin B-12, and occurs in tea. Chemical formula: C5H5N5.
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The first in a series.
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The indefinite article; before vowels, written ""an''
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The indefinite article; before vowels, written ""an''
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The indefinite article; before vowels, written ""an''
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(Chem.) Containing a specified element or radical in its maximum, or a relatively high, valence
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An indication of frequency
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Find another word for a. In this page you can discover 43 synonyms, antonyms, idiomatic expressions, and related words for a, like: any, this, axerophthol, amp, type a, abo system, a-one, group A, deoxyadenosine monophosphate, antiophthalmic factor and another.