the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
ELEMENTARY SCHOOL PUNCTUATION QUIZ
Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!
Question 1 of 10
Which punctuation mark is best for this sentence? "Can I watch a movie __"
Origin of basement complex
First recorded in 1895–1900
Words nearby basement complex
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020