noun
sima
Sima (noun) means (geology) The dense layer of the Earth's crust rich in silicon and magnesium that lies beneath the continents and forms the ocean floor. Example: “The sima is denser than the lighter sial layer that makes up the continents.”
noun
1
(geology) The dense layer of the Earth's crust rich in silicon and magnesium that lies beneath the continents and forms the ocean floor.
"The sima is denser than the lighter sial layer that makes up the continents."
How to use sima
Learner’s notesIn plain EnglishA geology term for the heavier rock layer under the Earth's crust, made mostly of silicon and magnesium.
Easily confused with
sial
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Word forms
- Plural
- simas
Fill the gap
Can you complete this real example?
The _____ is denser than the lighter sial layer that makes up the continents.
Etymology
A blend formed from "silicon" and "magnesium."
Rhymes for sima
See all rhymes for sima →Frequently asked questions
What does “sima” mean?
The word “sima” means (geology) The dense layer of the Earth's crust rich in silicon and magnesium that lies beneath the continents and forms the ocean floor. In plain terms, a geology term for the heavier rock layer under the Earth's crust, made mostly of silicon and magnesium.
How do you use “sima” in a sentence?
Here is “sima” used in a sentence: “The sima is denser than the lighter sial layer that makes up the continents.”
What part of speech is “sima”?
“Sima” is a noun.
What is the meaning of sima?
"sima" (noun) means (geology) The dense layer of the Earth's crust rich in silicon and magnesium that lies beneath the continents and forms the ocean floor.
