male half of tool joint
51Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
52archaeology — archaeologist, n. /ahr kee ol euh jee/, n. 1. the scientific study of historic or prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, and other such remains, esp. those that have been excavated. 2. Rare …
53Eritrea — Eritrean, adj., n. /er i tree euh/; It. /e rddee trdde ah/, n. a republic in NE Africa, on the Red Sea: Italian colony 1890 1941; province of Ethiopia 1962 93; independent since 1993. 3,589,687; 47,076 sq. mi. (121,927 sq. km). Cap.: Asmara. * *… …
54biblical literature — Introduction four bodies of written works: the Old Testament writings according to the Hebrew canon; intertestamental works, including the Old Testament Apocrypha; the New Testament writings; and the New Testament Apocrypha. The Old… …
55Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
56Gout — Podagra redirects here. For the moth genus, see Podagra (moth). Gout Classification and external resources Gout, a 1799 caricature by James Gillray …
57pregnancy — /preg neuhn see/, n., pl. pregnancies. the state, condition, or quality of being pregnant. [1520 30; PREGN(ANT) + ANCY] * * * Process of human gestation that takes place in the female s body as a fetus develops, from fertilization to birth (see… …
58Down syndrome — Classification and external resources Boy with Down syndrome assembling a …
59Progesterone — Systematic (IUPAC) name Pregn 4 ene 3,20 dione …
60List of British words not widely used in the United States — Differences between American and British English American English …
