| ATTOLASERS | • ATTOLASER n. a high-powered laser capable of producing pulses measured in quintillionths of a second. |
| BUCELLASES | • BUCELLAS n. (Portuguese) a white wine from Bucellas near Lisbon. |
| CATACLASES | • cataclases n. Plural of cataclasis. • CATACLASIS n. the deformation of rocks by crushing and shearing. |
| CELLULASES | • cellulases n. Plural of cellulase. • CELLULASE n. an enzyme that can split cellulose into glucose, present in organisms in the guts of animals and in the leaf stalks of higher plants. |
| CERVELASES | • CERVELAS n. (French) a type of French sausage, seasoned with garlic, also CERVELAT. |
| COAGULASES | • coagulases n. Plural of coagulase. • COAGULASE n. any of several enzymes that cause coagulation, as of the blood. |
| HYDROLASES | • hydrolases n. Plural of hydrolase. • HYDROLASE n. a hydrolytic enzyme. |
| LASERDISCS | • laserdiscs n. Plural of laserdisc. • Laserdiscs n. Plural of Laserdisc. • laser␣discs n. Plural of laser disc. |
| LASERDISKS | • LASERDISK n. a disc similar to a long-playing record on which data is stored by the use of a laser, also LASERDISC. |
| LASERWORTS | • laserworts n. Plural of laserwort. • LASERWORT n. any plant of the umbelliferous genus Laserpitium, the root of which yields a resinous substance of a bitter taste. |
| METAPLASES | • METAPLASIS n. the change of one kind of tissue into another, also METAPLASIA. |
| METHYLASES | • methylases n. Plural of methylase. • METHYLASE n. an enzyme that catalyzes methylation. |
| OLIGOCLASE | • oligoclase n. (Mineralogy) A plagioclase feldspar, the second member of the Albite-Anorthite solid solution series… • OLIGOCLASE n. a triclinic soda-lime feldspar, plagioclase. |
| ORTHOCLASE | • orthoclase n. (Mineralogy) Potassium aluminum silicate, KAlSi3O8, a common feldspar of igneous, plutonic, and metamorphic… • ORTHOCLASE n. common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. |
| PERICLASES | • periclases n. Plural of periclase. • PERICLASE n. a naturally occurring magnesium oxide. |