As a proper noun mantle

is .

As a noun komatiite is

(mineralogy) any of a class of ultramafic mantle-derived volcanic rocks that have a high magnesium content.

As an adjective volcanic

is volcanic.

As a noun komatiite is

(mineralogy) any of a class of ultramafic mantle-derived volcanic rocks that have a high magnesium content.

As nouns the difference between magnesium and komatiite

is that magnesium is magnesium while komatiite is (mineralogy) any of a class of ultramafic mantle-derived volcanic rocks that have a high magnesium content.

Komatiitic is a derived term of komatiite.

As an adjective komatiitic

is of, pertaining to, or containing komatiite.

As a noun komatiite is

(mineralogy) any of a class of ultramafic mantle-derived volcanic rocks that have a high magnesium content.

In protein|lang=en terms the difference between neurexin and neuroligin

is that neurexin is (protein) any of a family of proteins found in nerve tissue while neuroligin is (protein) any of a class of transmembrane proteins that bind to neurexins.

As nouns the difference between neurexin and neuroligin

is that neurexin is (protein) any of a family of proteins found in nerve tissue while neuroligin is (protein) any of a class of transmembrane proteins that bind to neurexins.

As nouns the difference between lobe and sarcopterygian

is that lobe is any projection or division, especially one of a somewhat rounded form while sarcopterygian is any lobe-finned fish, of the class Sarcopterygii, including the lungfish and coelacanths.

As an adjective finned

is having fins.

As a noun sarcopterygian is

(biology) any lobe-finned fish, of the class sarcopterygii , including the lungfish and coelacanths.

As a proper noun fish

is .

As a noun sarcopterygian is

(biology) any lobe-finned fish, of the class sarcopterygii , including the lungfish and coelacanths.

As a proper noun sarcopterygii

is .

As a noun sarcopterygian is

(biology) any lobe-finned fish, of the class sarcopterygii , including the lungfish and coelacanths.

As nouns the difference between lungfish and sarcopterygian

is that lungfish is air-breathing fish, of the class Dipnoi, that have four limblike appendages instead of fins while sarcopterygian is any lobe-finned fish, of the class Sarcopterygii, including the lungfish and coelacanths.