pole vs negative pole

pole and negative pole both are nouns.

Word	Noun	Adjective	Verb	Adverb
pole	Yes	No	Yes	No
negative pole	Yes	No	No	No

As nouns, negative pole is a hyponym of pole; that is, negative pole is a word with a more specific, narrower meaning than pole:

pole: one of the two ends of a magnet where the magnetism seems to be concentrated
negative pole: the pole of a magnet that points toward the south when the magnet is suspended freely

As nouns, negative pole is a hyponym of pole; that is, negative pole is a word with a more specific, narrower meaning than pole:

pole: a contact on an electrical device (such as a battery) at which electric current enters or leaves
negative pole: the terminal of a battery that is connected to the negative plate

Other hyponyms of pole include anode, positive pole.

pole (noun)	negative pole (noun)
a long (usually round) rod of wood or metal or plastic	the pole of a magnet that points toward the south when the magnet is suspended freely
one of the two ends of a magnet where the magnetism seems to be concentrated	the terminal of a battery that is connected to the negative plate
a long fiberglass sports implement used for pole vaulting
a contact on an electrical device (such as a battery) at which electric current enters or leaves
one of two divergent or mutually exclusive opinions
one of two antipodal points where the Earth's axis of rotation intersects the Earth's surface
one of two points of intersection of the Earth's axis and the celestial sphere
a linear measure of 16.5 feet
a square rod of land

pole (verb)	negative pole (verb)
deoxidize molten metals by stirring them with a wooden pole
propel with a pole
support on poles