ULTRABASIC


Meaning of ULTRABASIC in English

Pronunciation: ˌ ə l-tr ə - ' b ā -sik

Function: adjective

Etymology: International Scientific Vocabulary

Date: 1881

: extremely basic specifically : very low in silica and rich in iron and magnesium minerals

– ultrabasic noun

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.