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aa1

Saltos de línea: aa
Pronunciación: /ˈɑːɑː
 
/

sustantivo

[mass noun] Geology
Basaltic lava forming very rough, jagged masses with a light frothy texture. Often contrasted with pahoehoe.
Example sentences
  • Roads of black ash traverse it, winding through the otherwise untraversable aa.
  • A serpentine flow meanders through formations of smooth pahoehoe lava and rough aa lava, the same forms common in basalt lavas.
  • Very different from jagged aa, pahoehoe is the other general texture of newly solidified lava.

Origen

mid 19th century: from Hawaiian 'a-'a.

Definición de aa en:

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Hay 2 definiciones de aa en inglés:

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AA2

Saltos de línea: AA
Pronunciación: /eɪˈeɪ
 
/

abreviatura

1.2(In the UK and South Africa) Automobile Association.

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