pipkrake

名词 n.
中文释义

英文释义

名词 n.
  1. Needle ice; ice structures formed when the air temperature is below 0℃ and the soil is not. countable,uncountable
    — The most widespread and familiar example of this process is that associated with the growth of needle ice or pipkrake (Figure 5.15), needles of clear ice commonly exceeding 5 cm in length. Growth of pipkrake is favoured by supercooling of the soil in conditions of marked radiative heat loss from the surface […]

词形变化

pipkrakes plural

词源

From Swedish pipkrake, from pip (“tube”) + krake (“thin, fine, weak”), coined by Swedish botanist Henrik Hesselman in 1907.
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