hoarfrostとは 意味・読み方・使い方

名詞

hoar-frost (countable かつ uncountable, 複数形 hoar-frosts)

1. Alternative form of hoar frost
   • 1730, James Thomson, “Autumn”, in The Seasons, London: […] A[ndrew] Millar, and sold by Thomas Cadell, […], published 1768, OCLC 642619686, lines 1166–1167, page 156:

     And novv the mounting ſun diſpels the fog; / The rigid hoar-froſt melts before his beam; […]

   • 1780 April 20, Patrick Wilson, “XXVI. An Account of a Most Extraordinary Degree of Cold at Glasgow in January Last; together with Some New Experiments and Observations on the Comparative Temperature of Hoar-frost and the Air near to It, Made at the Macfarlane Observatory Belonging to the College. […]”, in Philosophical Transactions, of the Royal Society of London, volume LXX, part II, London: […] Lockyer Davis, and Peter Elmsly, printers to the Royal Society, OCLC 759427994, pages 468–469:

     On Sunday night, January 23, ſeveral things vvere laid out at the Obſervatory, ſuch as ſheets of brovvn paper, pieces of boards, plates of metal, glaſſes of ſeveral kinds, &c. vvhich all began to contract hoar-froſt ſeemingly as ſoon as each body had time to cool dovvn to the temperature of the air. The ſheets of brovvn paper being ſo thin acquired it ſooneſt, and vvhen beheld in candle-light they became beautifully ſpangled over by innumerable reflections from the ſmall cryſtals of hoar-froſt vvhich had parted from the air.

   • 1857, “HOAR-FROST”, in John M. Wilson, editor, The Rural Cyclopedia, or A General Dictionary of Agriculture. […], volume II (D–I), Edinburgh; London: A[rchibald] Fullarton and Co. […], OCLC 36049696, page 657, column 1:

     The mean temperature of the day and night at which injurious hoar-frosts may occur, may, relatively to the freezing-point, be very high.

   • 1880, [Mary Elizabeth Braddon], “At the Sugar-loaves”, in Just as I Am […], volume I, London: John and Robert Maxwell […], OCLC 1230854334, page 183:

     The fields and hedgerows around Austhorpe were white with wintry rime, and all the trees were fairy-trees wreathed with hoar-frost.