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According to WordNet, the noun "A" has 7 sense(s).
114829565 one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose).
115089803 any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes.
105400860 the blood group whose red cells carry the A antigen.
114706889 (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA.
113658027 a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation.
- SUMO Mappings: Vitamin (subsuming mapping)
106831177 the 1st letter of the Roman alphabet.
113637376 the basic unit of electric current adopted under the Systeme International d'Unites; "a typical household circuit carries 15 to 50 amps".
- SUMO Mappings: Angstrom (equivalent mapping)
- SUMO Mappings: Ampere (equivalent mapping)
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