ice vs segregated ice

ice and segregated ice both are nouns.

Word	Noun	Adjective	Verb	Adverb
ice	Yes	No	Yes	No
segregated ice	Yes	No	No	No

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

ice: water frozen in the solid state
segregated ice: Ice films, seams, lenses, rods, or layers generally 0.04 to 6 inches (1 to 150 millimeters) thick that grow in permafrost by drawing in water as the ground freezes.

Other hyponyms of ice include black ice, frost, hoar, hoarfrost, rime, hailstone, icicle, ground ice, Taber ice.

ice (noun)	segregated ice (noun)
a rink with a floor of ice for ice hockey or ice skating	Ice films, seams, lenses, rods, or layers generally 0.04 to 6 inches (1 to 150 millimeters) thick that grow in permafrost by drawing in water as the ground freezes.
an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
a frozen dessert with fruit flavoring (especially one containing no milk)
a flavored sugar topping used to coat and decorate cakes
the frozen part of a body of water
diamonds
water frozen in the solid state