ultramarin marine translations
ultramarin.online
nl diep   relatief klein gebied van buitengewone diepte van een trog in de zeebodem;
de Tief relativ kleines Gebiet von außergewöhnlicher Tiefe in einer Senke des Meeresbodens;
en deep a relatively small area of exceptional depth found in a depression of the ocean floor. The term is generally restricted to depths greater than 3,000 fathoms. If it is very limited in area, it is referred to as a hole.
fr abysse  
pl    
rus