a

Noun
  1. is a type of: metric linear unit - a linear unit of distance in metric terms
    has: micromicron, picometer, picometre - a metric unit of length equal to one trillionth of a meter
    is a part of: micromillimeter, micromillimetre, millimicron, nanometer, nanometre, nm - a metric unit of length equal to one billionth of a meter
    same as: angstrom, angstrom unit
  2. is a type of: fat-soluble vitamin - any vitamin that is soluble in fats
    subtypes:
    • retinol, vitamin a1 - an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
    • dehydroretinol, vitamin a2 - a viscous alcohol that is less active in mammals than is vitamin A1
    same as: antiophthalmic factor, axerophthol, vitamin a
  3. is a type of: base, nucleotide - a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
    same as: deoxyadenosine monophosphate
  4. referred to in: biochemistry - the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry
    is a type of: purine - any of several bases that are derivatives of purine
    substance meronym:
    • deoxyribonucleic acid, desoxyribonucleic acid, dna - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information
    • ribonucleic acid, rna - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell
    same as: adenine
  5. is a type of: current unit - a measure of the amount of electric charge flowing past a circuit point at a specific time
    has: ma, milliampere - one thousandth of an ampere
    is a part of: abamp, abampere - a unit of current equal to 10 amperes
    same as: amp, ampere
  6. is a type of: alphabetic character, letter, letter of the alphabet - the conventional characters of the alphabet used to represent speech
    belongs to: latin alphabet, roman alphabet - the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe
  7. is a type of: blood group, blood type - human blood cells (usually just the red blood cells) that have the same antigens
    same as: group a, type a

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