Hoar, were prominent in the later history of the country.
In localities where there is hoar frost in autumn and spring the seed is sown in September or at latest in the beginning of October, and the yield of opium and seed is then greater than if sown later.
An absence of hoar frost in many areas left many drivers unaware of the hazard.
He shows us a crystalline layer called surface hoar, the dusting of frozen dew you often see.
In the morning all that was left of the night mist on the heights was a hoar frost now turning to dew, but in the valleys it still lay like a milk-white sea.