(n.) A silicate of alumina, iron, and magnesia, having a bright blue color and vitreous luster; cordierite. It is remarkable for its dichroism, and is also called dichroite.
Example Sentences:
Oolite
Definition:
(n.) A variety of limestone, consisting of small round grains, resembling the roe of a fish. It sometimes constitutes extensive beds, as in the European Jurassic. See the Chart of Geology.
Example Sentences:
(1) I think, in all honestly, if I could be Bradley Whitford I would be very, very happy.” He becomes almost drawlingly dreamy, rolling his “r”s as he leans against the warm oolite cliffs of this Jurassic Coast, until rudely interrupted by me, asking whether there’s talk of a Broadchurch 3 .