(herpetology) Any of the riblike structures that cross the abdomen in lizards.

(anatomy) One of the nine areas that the abdomen is divided into. / Used other than figuratively or idiomatically: see abdominal, region.

plural of Abel test

(chemistry, usually capitalized) A test to determine the flash point of a volatile oil. / (chemistry, usually capitalized) A test for the stability of smokeless powder and similar explosives.

(historical) A member of a 16th-century Anabaptist sect, follower of the Zwickau prophets (and specially of Thomas Storch), who believed that any kind of knowledge (even basic reading and writing) would keep one from reaching obtaining salvation.

(nautical, literally) To leave or forsake a ship due to its impending doom. / (by extension) To leave a person or organization when things become difficult.

(archaic) To lessen, to subtract something from.

plural of Abbe number

plural of Abbe-Zeiss apparatus

A number that represents the reciprocal of the dispersive power of a substance with transparent qualities.