释义
adj.
chiefly technical relating to or denoting the depths or bed of the ocean, especially between about 3,000 and 6,000 metres down
〈主技〉 深海的;海底的(尤指离海面3,000 至6,000米处)。
Geology another term for PLUTONIC (in sense 1).
【地质】 同PLUTONIC(义项1)。
词源
"mid 17th cent.: from late Latin abyssalis ‘belonging to an abyss' (see ABYSS)."