acre

名词 n.
/ˈeɪ.kə/    /ˈeɪ.kɚ/

英文释义

名词 n.
  1. An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square metres.
    — Buried within the Mediterranean littoral are some seventy to ninety million tons of slag from ancient smelting, about a third of it concentrated in Iberia. This ceaseless industrial fueling caused the deforestation of an estimated fifty to seventy million acres of woodlands.
  2. An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square metres.; An area of 10,240 square yards or 4 quarters. historical
  3. Any of various similar units of area in other systems.
  4. A wide expanse. informal,plural-normally
    — I like my new house—there’s acres of space!
  5. A large quantity. informal,plural-normally
  6. A field. obsolete
  7. The acre's breadth by the length, English units of length equal to the statute dimensions of the acre: 22 yd (≈20 m) by 220 yd (≈200 m). obsolete
  8. A duel fought between individual Scots and Englishmen in the borderlands. obsolete

词形变化

acres plural acre UK,colloquial,plural acer alternative,obsolete aker alternative,obsolete

词源

Etymology tree
Proto-Indo-European *h₂eǵ-?
Proto-Indo-European *h₂éǵros
Proto-Germanic *akraz
Proto-West Germanic *akr
Old English æcer
Middle English aker
English acre
From Middle English acre, aker, from Old English æcer (“field where crops are grown”), from Proto-West Germanic *akr, from Proto-Germanic *akraz (“field”), from Proto-Indo-European *h₂éǵros (“field”). Doublet of agriculture.
Cognate with Scots acre, aker, acker (“acre, field, arable land”), North Frisian ecir (“field, a measure of land”), West Frisian eker (“field”), Dutch akker (“field”), German Acker (“field, acre”), Norwegian åker (“field”) and Swedish åker (“field”), Icelandic akur (“field”), Latin ager (“land, field, acre, countryside”), Ancient Greek ἀγρός (agrós, “field”), Sanskrit अज्र (ájra, “field, plain”).
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