Meaning: Characteristic of informal spoken language or conversation. Synonyms: colloquial; conversational. Context examples: wrote her letters in a colloquial style / the broken syntax and casual enunciation of conversational English. Similar: informal (used of spoken and written language)
Location of the Mariana Trench. The Mariana Trench or Marianas Trench is the deepest part of the world's oceans. It is located in the western Pacific Ocean, an average of 124 miles/200km to the east of the Mariana Islands, in the Western Pacific East of Philippines. The trench is about 2,550 kilometres (1,580 mi) long with an average width of 69 kilometres (43 mi).
The Aleutian Trench is effectively buried east of Kodiak Island in the Gulf of Alaska. There the ocean floor is smooth and flat. To the west, farther from the sediment supply of Alaska, the trench reaches depths of more than 7 km (about 4 miles).