A_noun.json

{
    "word": "A",
    "definitions": [
        "The first letter of the alphabet.",
        "Denoting the first in a set of items, categories, sizes, etc.",
        "Denoting the first of two or more hypothetical people or things.",
        "The highest class of academic mark.",
        "(in the UK) denoting the most important category of road, other than a motorway.",
        "Denoting the highest-earning socio-economic category for marketing purposes, including top management and senior professional personnel.",
        "Denoting the first file from the left, as viewed from White's side of the board.",
        "The first constant to appear in an algebraic expression.",
        "Denoting the uppermost soil horizon, especially the topsoil.",
        "The human blood type (in the ABO system) containing the A antigen and lacking the B.",
        "(with numeral) denoting a series of international standard paper sizes each twice the area of the next, as A0, A1, A2, A3, A4, etc., A4 being 210 \u00d7 297 mm.",
        "A shape like that of a capital A.",
        "The sixth note of the diatonic scale of C major. The A above middle C is usually used as the basis for tuning and in modern music has a standard frequency of 440 Hz.",
        "A key based on a scale with A as its keynote."
    ],
    "parts-of-speech": "Noun"
}